Guest of the League
MLB Transactions
Wed May 28 2025
| CLE | Nic Enright | The Cleveland Guardians optioned RHP Nic Enright to the minors. |
| LV | Michel Otanez | The Athletics optioned RHP Michel Otañez to the minors. |
| LV | Sean Newcomb | The Athletics recalled LHP Sean Newcomb from the minors. |
| CLE | Andrew Walters | The Cleveland Guardians recalled RHP Andrew Walters from the minors. |
| TB | Matt Thaiss | The Tampa Bay Rays recalled C Matt Thaiss from the minors. |
| TB | Ben Rortvedt | The Tampa Bay Rays designated C Ben Rortvedt for assignment. |
| NYM | David Villar | The New York Mets signed INF David Villar to a minor league contract. |
Tue May 27 2025
| LV | Drew Avans | The Athletics selected the contract of OF Drew Avans from the minors. |
| BOS | Zack Kelly | The Boston Red Sox optioned RHP Zack Kelly to the minors. |
| DET | Wenceel Perez | The Detroit Tigers activated OF Wenceel Pérez from the 60-day injured list. |
| DET | Matt Vierling | The Detroit Tigers placed OF Matt Vierling on the 10-day injured list with right shoulder inflammation. |
| BOS | Richard Fitts | The Boston Red Sox activated RHP Richard Fitts from the 15-day injured list. |
| TB | Matt Thaiss | The Chicago White Sox traded C Matt Thaiss to the Tampa Bay Rays. |
| TB | Jonny DeLuca | The Tampa Bay Rays transferred OF Jonny DeLuca from the 10-day injured list to the 60-day injured. |
| CWS | Korey Lee | The Chicago White Sox activated C Korey Lee from the 10-day injured list. |
| COL | Victor Vodnik | The Colorado Rockies activated RHP Victor Vodnik from the 15-day injured list. |
| BOS | Zach Penrod | The Boston Red Sox activated LHP Zach Penrod from the 60-day injured list. |
| BOS | Zach Penrod | The Boston Red Sox optioned LHP Zach Penrod to the minors. |
| CLE | Joey Cantillo | The Cleveland Guardians optioned LHP Joey Cantillo to the minors. |
| LV | Matt Krook | The Athletics designated LHP Matt Krook for assignment. |
| LV | Sean Newcomb | The Boston Red Sox traded LHP Sean Newcomb to the Athletics. |
| LV | Ryan Cusick | The Athletics designated RHP Ryan Cusick for assignment. |
| CLE | Hunter Gaddis | The Cleveland Guardians activated RHP Hunter Gaddis from the bereavement list. |
| LV | Nick Kurtz | The Athletics placed INF Nick Kurtz on the 10-day injured list with a strained left hip flexor. |
Mon May 26 2025
| NYM | Genesis Cabrera | The New York Mets sent LHP Génesis Cabrera outright to the minors. |
| COL | Scott Alexander | The Colorado Rockies released LHP Scott Alexander. |
| LAA | Shaun Anderson | The Los Angeles Angels sent RHP Shaun Anderson outright to the minors. |
| PIT | Braxton Ashcraft | The Pittsburgh Pirates recalled RHP Braxton Ashcraft from the minors. |
| PIT | Isaac Mattson | The Pittsburgh Pirates optioned RHP Isaac Mattson to the minors. |
| MIA | Derek Hill | The Miami Marlins placed OF Derek Hill on the 10-day injured list. |
| KC | John Rave | The Kansas City Royals selected the contract of OF John Rave from the minors. |
| MIA | Victor Victor Mesa | The Miami Marlins recalled OF Victor Mesa from the minors. |
| COL | Angel Chivilli | The Colorado Rockies optioned RHP Angel Chivilli to the minors. |
| LAA | Chris Taylor | The Los Angeles Angels signed OF Chris Taylor. |
| LAA | Kyren Paris | The Los Angeles Angels optioned INF Kyren Paris to the minors. |
| BAL | Chadwick Tromp | The Baltimore Orioles selected the contract of C Chadwick Tromp from the minors. |
| BAL | Cooper Hummel | The Baltimore Orioles designated OF Cooper Hummel for assignment. |
| SEA | Jesse Hahn | The Seattle Mariners sent RHP Jesse Hahn outright to the minors. |
| SEA | Austin Shenton | The Seattle Mariners sent INF Austin Shenton outright to the minors. |
| TEX | Blaine Crim | The Texas Rangers recalled INF Blaine Crim from the minors. |
| MIL | Logan Henderson | The Milwaukee Brewers optioned RHP Logan Henderson to the minors. |
| MIL | DL Hall | The Milwaukee Brewers activated LHP DL Hall from the 60-day injured list. |
| KC | Cavan Biggio | The Kansas City Royals optioned INF Cavan Biggio to the minors. |
Sun May 25 2025
| LV | Seth Brown | The Athletics sent OF Seth Brown outright to the minors. |
| LAD | Bobby Miller | The Los Angeles Dodgers optioned RHP Bobby Miller to the minors. |
| SD | Michael King | The San Diego Padres placed RHP Michael King on the 15-day injured list. |
| LAD | J.P. Feyereisen | The Los Angeles Dodgers designated RHP J.P. Feyereisen for assignment. |
| SD | David Morgan | The San Diego Padres recalled RHP David Morgan from the minors. |
| LAD | Chris Stratton | The Los Angeles Dodgers signed RHP Chris Stratton. |
| ATL | Orlando Arcia | The Atlanta Braves released INF Orlando Arcia. |
| PHI | Jose Cuas | The Philadelphia Phillies released RHP José Cuas. |
| ATL | Jose Cuas | The Atlanta Braves signed RHP José Cuas to a minor league contract. |
| LAA | Caden Dana | The Los Angeles Angels optioned RHP Caden Dana to the minors. |
| LAA | Jake Eder | The Los Angeles Angels recalled LHP Jake Eder from the minors. |
| SD | Omar Cruz | The San Diego Padres recalled LHP Omar Cruz from the minors. |
| BAL | Trevor Rogers | The Baltimore Orioles sent LHP Trevor Rogers to the minors. |
| SD | Alek Jacob | The San Diego Padres optioned RHP Alek Jacob to the minors. |
| BOS | Cooper Criswell | The Boston Red Sox sent RHP Cooper Criswell to the minors. |
| TOR | Josh Walker | The Toronto Blue Jays designated LHP Josh Walker for assignment. |
| TEX | Alejandro Osuna | The Texas Rangers selected the contract of OF Alejandro Osuna from the minors. |
| TOR | Tyler Heineman | The Toronto Blue Jays placed C Tyler Heineman on the 7-day injured list. |
| TOR | Ali Sanchez | The Toronto Blue Jays selected the contract of C Alí Sánchez from the minors. |
| CHC | Reese McGuire | The Chicago Cubs selected the contract of C Reese McGuire from the minors. |
| CHC | Miguel Amaya | The Chicago Cubs placed C Miguel Amaya on the 10-day injured list with a left oblique strain. |
| TEX | Joc Pederson | The Texas Rangers placed INF Joc Pederson on the 10-day injured list. |
| BAL | Terrin Vavra | The Baltimore Orioles designated INF Terrin Vavra for assignment. |
| TEX | Kevin Pillar | The Texas Rangers designated OF Kevin Pillar for assignment. |
| BAL | Cooper Hummel | The Baltimore Orioles signed OF Cooper Hummel to a Major League contract. |
| BOS | Zack Kelly | The Boston Red Sox recalled RHP Zack Kelly from the minors. |
| BOS | Luis Guerrero | The Boston Red Sox optioned RHP Luis Guerrero to the minors. |
Sat May 24 2025
| NYY | Cooper Hummel | The New York Yankees released OF Cooper Hummel. |
| MIA | Rob Brantly | The Miami Marlins transferred C Rob Brantly to the 60-day injured list with right lat strain. |
| LAA | Shaun Anderson | The Los Angeles Angels designated RHP Shaun Anderson for assignment. |
| BAL | Yaramil Hiraldo | The Baltimore Orioles selected the contract of RHP Yaramil Hiraldo from the minors. |
| LAD | Matt Sauer | The Los Angeles Dodgers optioned RHP Matt Sauer to the minors. |
| BOS | Luis Guerrero | The Boston Red Sox recalled RHP Luis Guerrero from the minors. |
| BOS | Sean Newcomb | The Boston Red Sox designated LHP Sean Newcomb for assignment. |
| KC | Luke Maile | The Kansas City Royals sent C Luke Maile to the minors. |
| BAL | Cionel Perez | The Baltimore Orioles designated LHP Cionel Pérez for assignment. |
| LAD | Bobby Miller | The Los Angeles Dodgers recalled RHP Bobby Miller from the minors. |
| BOS | Marcelo Mayer | The Boston Red Sox selected the contract of INF Marcelo Mayer from the minors. |
| MIA | Lake Bachar | The Miami Marlins optioned RHP Lake Bachar to the minors. |
| MIA | Janson Junk | The Miami Marlins selected the contract of RHP Jackson Junk from the minors. |
| BOS | Alex Bregman | The Boston Red Sox placed INF Alex Bregman on the 10-day injured list. |
| BOS | Triston Casas | The Boston Red Sox transferred INF Triston Casas to the 60-day injured list due to a left patellar tendon rupture. |
| TOR | Yimi Garcia | The Toronto Blue Jays placed RHP Yimi García on the 15-day injured list. |
| TOR | Paxton Schultz | The Toronto Blue Jays recalled RHP Paxton Schultz from the minors. |
| DET | Casey Mize | The Detroit Tigers activated RHP Casey Mize from the 15-day injured list. |
| CLE | Nic Enright | The Cleveland Guardians recalled RHP Nic Enright from the minors. |
| SD | Jason Heyward | The San Diego Padres placed OF Jason Heyward on the 10-day injured list. |
| CLE | Hunter Gaddis | The Cleveland Guardians placed RHP Hunter Gaddis on the bereavement list. |
| DET | Akil Baddoo | The Detroit Tigers optioned OF Akil Baddoo to the minors. |
| SD | Luis Campusano | The San Diego Padres recalled C Luis Campusano from the minors. |
| CHC | Julian Merryweather | The Chicago Cubs designated RHP Julian Merryweather for assignment. |
| NYM | Jose Azocar | The New York Mets designated OF José Azócar for assignment. |
| NYM | Brandon Waddell | The New York Mets recalled LHP Brandon Waddell from the minors. |
| NYM | Jared Young | The New York Mets recalled INF Jared Young from the minors. |
| CHC | Brooks Kriske | The Chicago Cubs selected the contract of RHP Brooks Kriske from the minors. |
| NYM | Genesis Cabrera | The New York Mets designated LHP Génesis Cabrera for assignment. |
| BAL | Terrin Vavra | The Baltimore Orioles selected the contract of INF Terrin Vavra from the minors. |
| BAL | Ramon Laureano | The Baltimore Orioles placed OF Ramón Laureano on the 10-day injured list. |
| ATL | Jonathan Ornelas | The Texas Rangers traded INF Jonathan Ornelas to the Atlanta Braves. The Braves then optioned him to the minors. |
Fri May 23 2025
| KC | Diego Castillo | The New York Mets traded INF Diego Castillo to the Kansas City Royals. |
| DET | Tomas Nido | The Detroit Tigers sent C Tomás Nido outright to the minors. |
| BOS | Cooper Criswell | The Boston Red Sox recalled RHP Cooper Criswell from the minors. He will serve as the team's 27th man for their doubleheader against Baltimore. |
| LV | Seth Brown | The Athletics designated OF Seth Brown for assignment. |
| LV | JJ Bleday | The Athletics optioned OF JJ Bleday to the minors. |
| DET | Matt Vierling | The Detroit Tigers activated OF Matt Vierling from the 10-day injured list. |
| LV | Carlos Duran | The Athletics optioned RHP Carlos Duran to the minors. |
| LV | Zack Gelof | The Athletics transferred INF Zack Gelof to the 60-day injured list. |
| LV | CJ Alexander | The Athletics recalled INF CJ Alexander from the minors. |
| LV | Jacob Lopez | The Athletics recalled LHP Jacob Lopez from the minors. |
| SEA | Blas Castano | The Seattle Mariners recalled RHP Blas Castano from the minors. |
| LV | Jhonny Pereda | The Athletics optioned C Jhonny Pereda to the minors. |
| DET | Sean Guenther | The Detroit Tigers optioned LHP Sean Guenther to the minors. |
| LV | Denzel Clarke | The Athletics recalled OF Denzel Clarke from the minors. |
| LV | Gio Urshela | The Athletics placed INF Gio Urshela on the 10-day injured list. |
| SEA | Jesse Hahn | The Seattle Mariners designated RHP Jesse Hahn for assignment. |
| LV | Logan Davidson | The Athletics selected the contract of INF Logan Davidson from the minors. |
| MIL | Carlos Rodriguez | The Milwaukee Brewers optioned RHP Carlos Rodriguez to the minors. |
| COL | Tanner Gordon | The Colorado Rockies recalled RHP Tanner Gordon from the minors. |
| CWS | Andrew Benintendi | The Chicago White Sox activated OF Andrew Benintendi from the 10-day injured list. |
| STL | Chris Roycroft | The St. Louis Cardinals optioned RHP Chris Roycroft to the minors. |
| CWS | Mike Tauchman | The Chicago White Sox activated OF Mike Tauchman from the 10-day injured list. |
| STL | Matt Svanson | The St. Louis Cardinals recalled RHP Matt Svanson from the minors. |
| ARI | Justin Martinez | The Arizona Diamondbacks activated RHP Justin Martinez from the 15-day injured list. |
| DET | Ben Gamel | The Detroit Tigers released OF Ben Gamel. |
| COL | Scott Alexander | The Colorado Rockies designated LHP Scott Alexander for assignment. |
| CHC | Ryan Brasier | The Chicago Cubs activated RHP Ryan Brasier from the 15-day injured list. |
| MIL | Aaron Ashby | The Milwaukee Brewers activated LHP Aaron Ashby from the 15-day injured list. |
| CHC | Ethan Roberts | The Chicago Cubs optioned RHP Ethan Roberts to the minors. |
| CWS | Andrew Vaughn | The Chicago White Sox optioned INF Andrew Vaughn to the minors. |
| CWS | Tim Elko | The Chicago White Sox optioned INF Tim Elko to the minors. |
| SF | Tristan Beck | The San Francisco Giants recalled RHP Tristan Beck from the minors. |
| CIN | Garrett Hampson | The Cincinnati Reds signed OF Garrett Hampson to a Major League contract. |
| CIN | Rece Hinds | The Cincinnati Reds optioned OF Rece Hinds to the minors. |
| CIN | Carson Spiers | The Cincinnati Reds transferred RHP Carson Spiers from the 15-day injured list to the 60-day injured list. |
| CIN | Hunter Greene | The Cincinnati Reds activated RHP Hunter Greene from the 15-day injured list. |
| SEA | Casey Lawrence | The Seattle Mariners sent RHP Casey Lawrence outright to the minors. |
| CWS | Yoendrys Gomez | The Chicago White Sox sent RHP Yoendrys Gómez outright to the minors. |
| ATL | Ronald Acuna Jr. | The Atlanta Braves activated OF Ronald Acuña from the 10-day injured list. |
| WSH | Daylen Lile | The Washington Nationals seleceted the contract OF Daylen Lile from the minors. |
| ATL | Orlando Arcia | The Atlanta Braves designated INF Orlando Arcia for assignment. |
| KC | Hunter Renfroe | The Kansas City Royals designated OF Hunter Renfroe for assignment. |
| WSH | Jacob Young | The Washington Nationals placed OF Jacob Young on the 10-day injured list. |
| MIN | Carlos Correa | The Minnesota Twins activated INF Carlos Correa from the 7-day injured list. |
| KC | Nick Loftin | The Kansas City Royals recalled INF Nick Loftin from the minors. |
| BAL | Trevor Rogers | The Baltimore Orioles appointed LHP Trevor Rogers from the minors. He will serve as the teams 27th player in its doubleheader against the Red Sox. |
| NYM | Sean Reid-Foley | The New York Mets released RHP Sean Reid-Foley. |
| SEA | Troy Taylor | The Seattle Mariners optioned RHP Troy Taylor to the minors. |
| SF | David Villar | The San Francisco Giants released INF David Villar. |
| KC | Chris Stratton | The Kansas City Royals released RHP Chris Stratton. |
Thu May 22 2025
| ARI | Christian Montes De Oca | The Arizona Diamondbacks optioned RHP Christian Montes De Oca to the minors. |
| MIL | Joel Payamps | The Milwaukee Brewers designated RHP Joel Payamps for assignment. |
| MIL | Carlos Rodriguez | The Milwaukee Brewers recalled RHP Carlos Rodriguez from the minors. |
| MIL | Aaron Civale | The Milwaukee Brewers activated RHP Aaron Civale from the 15-day injured list. |
| MIL | Easton McGee | The Milwaukee Brewers optioned RHP Easton McGee to the minors. |
| HOU | Ronel Blanco | The Houston Astros placed RHP Ronel Blanco on the 15-day injured list. |
| HOU | Colton Gordon | The Houston Astros recalled LHP Colton Gordon from the minors. |
| BOS | Ryan Noda | The Boston Red Sox optioned INF Ryan Noda to the minors. |
| BOS | Ryan Noda | The Los Angeles Angels traded INF Ryan Noda to the Boston Red Sox. |
| BOS | Masataka Yoshida | The Boston Red Sox transferred OF Masataka Yoshida to the 60-day injured list after a right shoulder labral repair. |
| CLE | Lane Thomas | The Cleveland Guardians activated OF Lane Thomas from the 10-day injured list. |
| CLE | Will Brennan | The Cleveland Guardians placed OF Will Brennan on the 10-day injured list. |
| HOU | Greg Jones | The Houston Astros signed OF Greg Jones to a minor league contract. |
| COL | Juan Mejia | The Colorado Rockies recalled RHP Juan Mejia from the minors. |
| COL | Chase Dollander | The Colorado Rockies placed RHP Chase Dollander on the 15-day injured list with right forearm tightness. |
| MIN | Ryan Fitzgerald | The Minnesota Twins optioned INF Ryan Fitzgerald to the minors. |
| SEA | George Kirby | The Seattle Mariners activated RHP George Kirby from the 15-day injured list. |
| LV | Matt Krook | The Athletics optioned LHP Matt Krook to the minors. |
| LV | Carlos Duran | The Athletics recalled RHP Carlos Duran from the minors. |
| NYY | Brent Headrick | The New York Yankees recalled LHP Brent Headrick from the minors. |
| NYY | Fernando Cruz | The New York Yankees placed RHP Fernando Cruz on the 15-day injured list. |
| CLE | Doug Nikhazy | The Cleveland Guardians returned LHP Doug Nikhazy to the minors. |
| MIN | Mickey Gasper | The Minnesota Twins returned INF Mickey Gasper to the minors. |
| SF | Andrew Knizner | The San Francisco Giants signed C Andrew Knizner to a minor league contract. |
| CIN | Lyon Richardson | The Cincinnati Reds optioned RHP Lyon Richardson to the minors. |
| SF | Justin Verlander | The San Francisco Giants placed RHP Justin Verlander on the 15-day injured list. |
Wed May 21 2025
| MIN | Mickey Gasper | The Minnesota Twins recalled INF Mickey Gasper from the minors as a 27th man. |
| HOU | Tayler Scott | The Houston Astros released RHP Tayler Scott. |
| CLE | Doug Nikhazy | The Cleveland Guardians recalled LHP Doug Nikhazy from the minors as a 27th man. |
| WSH | Dylan Crews | The Washington Nationals placed OF Dylan Crews on the 10-day injured list. |
| WSH | Robert Hassell | The Washington Nationals recalled OF Robert Hassell from the minors. |
| SEA | Casey Lawrence | The Seattle Mariners designated RHP Casey Lawrence for assignment. |
| SEA | Jesse Hahn | The Seattle Mariners selected the contract of RHP Jesse Hahn from the minors. |
| CIN | Sam Moll | The Cincinnati Reds activated LHP Sam Moll from the 15-day injured list and then optioned to the minors. |
| BAL | Chayce McDermott | The Baltimore Orioles optioned RHP Chayce McDermott to the minors. |
| PIT | Mike Burrows | The Pittsburgh Pirates recalled RHP Mike Burrows from the minors. |
| PIT | Carmen Mlodzinski | The Pittsburgh Pirates optioned RHP Carmen Mlodzinski to the minors. |
| CIN | Chase Petty | The Cincinnati Reds optioned RHP Chase Petty to the minors. |
| BAL | Andrew Kittredge | The Baltimore Orioles activated RHP Andrew Kittredge from the 15-day injured list. |
| HOU | Brandon Walter | The Houston Astros optioned LHP Brandon Walter to the minors. |
| HOU | Forrest Whitley | The Houston Astros activated RHP Forrest Whitley from the 15-day injured list. |
| CIN | Ian Gibaut | The Cincinnati Reds activated RHP Ian Gibaut from the 15-day injured list. |
Tue May 20 2025
| CWS | Omar Narvaez | The Chicago White Sox released C Omar Narváez. |
| LAD | Austin Barnes | The Los Angeles Dodgers released C Austin Barnes. |
| PHI | Wil Crowe | The Philadelphia Phillies signed RHP Wil Crowe to a minor league contract. |
| SEA | Austin Shenton | The Seattle Mariners designated INF Austin Shenton to the minors. |
| SEA | Casey Lawrence | The Seattle Mariners selected the contract of RHP Casey Lawrence from the minors. |
| TEX | Chris Martin | The Texas Rangers placed RHP Chris Martin on the 15-day injured list. |
| TEX | Cole Winn | The Texas Rangers recalled RHP Cole Winn from the minors. |
| SEA | Jhonathan Diaz | The Seattle Mariners optioned LHP Jhonathan Díaz to the minors. |
| LV | Anthony Maldonado | The Athletics recalled RHP Anthony Maldonado from the minors. |
| PIT | Colin Holderman | The Pittsburgh Pirates placed RHP Colin Holderman on the 15-day injured list. |
| LV | J.T. Ginn | The Athletics placed RHP J.T. Ginn on the 15-day injured list. |
| PIT | Isaac Mattson | The Pittsburgh Pirates selected the contract of RHP Isaac Mattson from the minors. |
| PIT | Nick Gonzales | The Pittsburgh Pirates transferred INF Nick Gonzales to the 60-day injured list. |
| DET | Tomas Nido | The Detroit Tigers designated C Tomás Nido for assignment. |
| BOS | Walker Buehler | The Boston Red Sox activated RHP Walker Buehler from the 15-day injured list. |
| BOS | Nick Burdi | The Boston Red Sox optioned RHP Nick Burdi to the minors. |
| DET | Jake Rogers | The Detroit Tigers activated C Jake Rogers from the 10-day injured list. |
| CHC | Ethan Roberts | The Chicago Cubs recalled RHP Ethan Roberts from the minors. |
| CHC | Porter Hodge | The Chicago Cubs placed RHP Porter Hodge on the 15-day injured list. |
| BAL | Walter Pennington | The Baltimore Orioles sent LHP Walter Pennington outright to the minors. |
| CHC | Ian Happ | The Chicago Cubs activated OF Ian Happ from the 10-day injured list. |
| CHC | Moises Ballesteros | The Chicago Cubs optioned C Moisés Ballesteros to the minors. |
| CWS | Yoendrys Gomez | The Chicago White Sox designated RHP Yoendrys Gómez for assignment. |
| CWS | Adrian Houser | The Chicago White Sox signed RHP Adrian Houser. |
| BAL | Chayce McDermott | The Baltimore Orioles recalled RHP Chayce McDermott from the minors. |
| HOU | Hayden Wesneski | The Houston Astros transferred RHP Hayden Wesneski to the 60-day injured list from the 15-day injured list. |
| PHI | Lucas Sims | The Philadelphia Phillies signed RHP Lucas Sims to a minor league contract. |
| BAL | Kade Strowd | The Baltimore Orioles optioned RHP Kade Strowd to the minors. |
| BAL | Kyle Gibson | The Baltimore Orioles released RHP Kyle Gibson. |
| HOU | Colton Gordon | The Houston Astros optioned LHP Colton Gordon to the minors. |
Mon May 19 2025
| SD | Oscar Gonzalez | The San Diego Padres released OF Oscar González. |
| DET | Chase Lee | The Detroit Tigers recalled RHP Chase Lee from the minors. |
| COL | Owen Miller | The Colorado Rockies outrighted INF Owen Miller to the minors. |
| DET | Reese Olson | The Detroit Tigers placed RHP Reese Olson on the 15-day injured list. |
| SF | Casey Schmitt | The San Francisco Giants activated INF Casey Schmitt from the 10-day injured list. |
| SF | David Villar | The San Francisco Giants designated INF David Villar for assignment. |
| LAA | Sam Bachman | The Los Angeles Angels activated RHP Sam Bachman from the 15-day injured list. |
| LAA | Sam Bachman | The Los Angeles Angels optioned RHP Sam Bachman to the minors. |
| LV | Anthony Maldonado | The Athletics optioned RHP Anthony Maldonado to the minors. |
| LV | J.T. Ginn | The Athletics activated RHP J.T. Ginn from the 15-day injured list. |
| TEX | Jonathan Ornelas | The Texas Rangers designated INF Jonathan Ornelas for assignment. |
| LAD | James Outman | The Los Angeles Dodgers optioned OF James Outman to the minors. |
| LAD | Teoscar Hernandez | The Los Angeles Dodgers activated OF Teoscar Hernández from the 10-day injured list. |
| TEX | Michael Helman | The Texas Rangers claimed OF Michael Helman off waivers from the Pittsburgh Pirates and optioned him to the minors. |
| PHI | Mick Abel | The Philadelphia Phillies optioned RHP Mick Abel to the minors. |
| CWS | Brooks Baldwin | The Chicago White Sox optioned INF Brooks Baldwin to the minors. |
| BAL | Chayce McDermott | The Baltimore Orioles recalled RHP Chayce McDermott from the minors. |
| CWS | Austin Slater | The Chicago White Sox activated OF Austin Slater from the 10-day injured list. |
| KC | Taylor Clarke | The Kansas City Royals activated RHP Taylor Clarke from the paternity list. |
| CHC | Nicky Lopez | The Chicago Cubs designated INF Nicky Lopez for assignment. |
| CHC | Matt Shaw | The Chicago Cubs recalled INF Matt Shaw from the minors. |
| HOU | Brandon Walter | The Houston Astros recalled LHP Brandon Walter from the minors. |
| KC | Luke Maile | The Kansas City Royals designated C Luke Maile for assignment. |
| PHI | Max Lazar | The Philadelphia Phillies recalled RHP Max Lazar from the minors. |
| NYY | Tyler Matzek | LHP Tyler Matzek elected free agency. |
| ATL | Spencer Strider | The Atlanta Braves activated RHP Spencer Strider from the 15-day injured list. |
| NYY | Scott Effross | The New York Yankees optioned RHP Scott Effross to the minors. |
Sun May 18 2025
| ARI | Garrett Hampson | The Arizona Diamondbacks released OF Garrett Hampson. |
| ATL | Kevin Herget | The Atlanta Braves claimed RHP Kevin Herget off waivers from the New York Mets and optioned him to the minors. |
| COL | Alan Trejo | The Colorado Rockies sent INF Alan Trejo outright to the minors. |
| NYY | Scott Effross | The New York Yankees activated RHP Scott Effross from the 15-day injured list. |
| ATL | Dylan Dodd | The Atlanta Braves optioned LHP Dylan Dodd to the minors. |
| LAA | Hunter Strickland | The Los Angeles Angels selected the contract of RHP Hunter Strickland from the minors. |
| LAA | Ryan Noda | The Los Angeles Angels designated INF Ryan Noda for assignment. |
| LAD | Chris Taylor | The Los Angeles Dodgers released OF Chris Taylor. |
| NYM | Billy McKinney | The New York Mets released OF Billy McKinney. |
| LAD | Tommy Edman | The Los Angeles Dodgers activated OF Tommy Edman from the 10-day injured list. |
| NYM | Kevin Herget | The New York Mets waived RHP Kevin Herget. |
| NYM | Kevin Herget | The New York Mets optioned RHP Kevin Herget to the minors. |
| NYM | Kevin Herget | The New York Mets claimed RHP Kevin Herget off waivers. |
| HOU | Jason Alexander | The Houston Astros claimed RHP Jason Alexander off waivers. |
| LV | Jason Alexander | The Athletics released RHP waived Alexander. |
| HOU | Jason Alexander | The Houston Astros optioned RHP Jason Alexander from the minors. |
| LAD | Chris Taylor | The Los Angeles Dodgers designated OF Chris Taylor for assignment. |
| PHI | Jose Ruiz | The Philadelphia Phillies activated RHP José Ruiz from the 15-day injured list. |
| PHI | Jose Alvarado | The Philadelphia Phillies placed LHP Jose Alvarado on the restricted list. |
| LAD | Kirby Yates | The Los Angeles Dodgers placed RHP Kirby Yates on the 15-day injured list. |
| LAD | Lou Trivino | The Los Angeles Dodgers selected the contract of RHP Lou Trivino from the minors. |
| MIA | Xavier Edwards | The Miami Marlins placed INF Xavier Edwards on the 10-day injured list. |
| BAL | Dylan Carlson | The Baltimore Orioles recalled OF Dylan Carlson from the minors. |
| BAL | Kade Strowd | The Baltimore Orioles recalled RHP Kade Strowd from the minors. |
| BAL | Kyle Gibson | The Baltimore Orioles designated RHP Kyle Gibson for assignment. |
| BAL | Tyler O'Neill | The Baltimore Orioles placed OF Tyler O'Neill on the 10-day injured list. |
| MIA | Otto Lopez | The Miami Marlins activated INF Otto Lopez from the 10-day injured list. |
| PHI | Daniel Robert | The Philadelphia Phillies optioned RHP Daniel Robert to the minors. |
| KC | Chris Stratton | The Kansas City Royals designated RHP Chris Stratton for assignment. |
| TEX | Kevin Pillar | The Texas Rangers activated OF Kevin Pillar from the 10-day injured list. |
| TEX | Evan Carter | The Texas Rangers placed OF Evan Carter on the 10-day injured list. |
| MIL | Connor Thomas | The Milwaukee Brewers transferred LHP Connor Thomas from the 15-day injured list to the 60-day injured list due to left elbow arthritis. |
| KC | Jonathan Bowlan | The Kansas City Royals recalled RHP Jonathan Bowlan from the minors. |
| MIN | Carson McCusker | The Minnesota Twins selected the contract of OF Carson McCusker from the minors. |
| MIL | Tobias Myers | The Milwaukee Brewers optioned RHP Tobias Myers to the minors. |
| MIL | Easton McGee | The Milwaukee Brewers selected the contract of RHP Easton McGee from the minors. |
| TEX | Cole Winn | The Texas Rangers optioned RHP Cole Winn to the minors. |
| TEX | Caleb Boushley | The Texas Rangers recalled RHP Caleb Boushley from the minors. |
| PHI | Mick Abel | The Philadelphia Phillies recalled RHP Mick Abel from the minors. |
| MIN | Danny Coulombe | The Minnesota Twins placed LHP Danny Coulombe on the 15-day injured list with a left forearm extensor strain. |
| MIN | Luke Keaschall | The Minnesota Twins transferred INF Luke Keaschall from the 10-day injured list to the 60-day injured list due to a right forearm fracture. |
| MIN | Zebby Matthews | The Minnesota Twins recalled RHP Zebby Matthews from the minors. |
Sat May 17 2025
| LAD | Ryan Loutos | The Los Angeles Dodgers optioned RHP Ryan Loutos to the minors. |
| LAD | Clayton Kershaw | The Los Angeles Dodgers activated LHP Clayton Kershaw from the 60-day injured list. |
| LAD | Blake Snell | The Los Angeles Dodgers transferred LHP Blake Snell to the 60-day injured list due to a shoulder inflammation. |
| MIN | Byron Buxton | The Minnesota Twins placed OF Byron Buxton on the 7-day injured list. |
| CWS | Jacob Amaya | The Chicago White Sox sent INF Jacob Amaya outright to the minors. |
| WSH | Andrew Knizner | The Washington Nationals released C Andrew Knizner. |
| PIT | Matt Gorski | The Pittsburgh Pirates optioned INF Matt Gorski to the minors. |
| CLE | Slade Cecconi | The Cleveland Guardians activated RHP Slade Cecconi from the 15-day injured list. |
| CLE | Zak Kent | The Cleveland Guardians optioned RHP Zak Kent to the minors. |
| PIT | Spencer Horwitz | The Pittsburgh Pirates activated INF Spencer Horwitz from the 10-day injured list. |
| KC | Cole Ragans | The Kansas City Royals placed LHP Cole Ragans on the 15-day injured list. |
| KC | Seth Lugo | The Kansas City Royals placed RHP Seth Lugo on the 15-day injured list. |
| KC | Evan Sisk | The Kansas City Royals recalled LHP Evan Sisk from the minors. |
| KC | Noah Cameron | The Kansas City Royals recalled LHP Noah Cameron from the minors. |
| CWS | Jared Shuster | The Chicago White Sox recalled LHP Jared Shuster from the minors. |
| NYM | Jose Castillo | The New York Mets activated LHP José Castillo. |
| CWS | Tyler Gilbert | The Chicago White Sox placed LHP Tyler Gilbert on the 15-day injured list. |
| NYM | Ronny Mauricio | The New York Mets activated INF Ronny Mauricio from the 10-day injured list. |
| NYM | Ronny Mauricio | The New York Mets optioned INF Ronny Mauricio to the minors. |
| NYM | Dedniel Nunez | The New York Mets optioned RHP Dedniel Núñez to the minors. |
Fri May 16 2025
| ARI | Christian Montes De Oca | The Arizona Diamondbacks selected the contract of RHP Christian Montes De Oca from the minors. |
| MIN | Ryan Fitzgerald | The Minnesota Twins selected the contract of INF Ryan Fitzgerald from the minors. |
| COL | Carson Palmquist | The Colorado Rockies selected the contract of LHP Carson Palmquist from the minors. |
| WSH | Luis Garcia Jr. | The Washington Nationals activated INF Luis Garcia from the paternity list. |
| LAD | Justin Wrobleski | The Los Angeles Dodgers optioned LHP Justin Wrobleski to the minors. |
| LAD | Ryan Loutos | The Los Angeles Dodgers recalled RHP Ryan Loutos from the minors. |
| COL | Tyler Freeman | The Colorado Rockies activated OF Tyler Freeman from the 10-day injured list. |
| COL | Owen Miller | The Colorado Rockies designated INF Owen Miller for assignment. |
| LV | Jason Alexander | The Athletics designated RHP Jason Alexander for assignment. |
| LV | Anthony Maldonado | The Athletics selected the contract of RHP Anthony Maldonado from the minors. |
| LV | Matt Krook | The Athletics selected the contract of LHP Matt Krook from the minors. |
| WSH | Trey Lipscomb | The Washington Nationals optioned INF Trey Lipscomb to the minors. |
| COL | Alan Trejo | The Colorado Rockies designated INF Alan Trejo for assignment. |
| COL | Aaron Schunk | The Colorado Rockies activated INF Aaron Schunk from the 10-day injured list. |
| MIN | Carlos Correa | The Minnesota Twins placed INF Carlos Correa on the 7-day injured list. |
| SF | Tyler Fitzgerald | The San Francisco Giants activated INF Tyler Fitzgerald from the 10-day injured list. |
| PIT | Michael Helman | The Pittsburgh Pirates designated OF Michael Helman for assignment. |
| PIT | Ji Hwan Bae | The Pittsburgh Pirates optioned OF Ji Hwan Bae to the minors. |
| COL | Sean Bouchard | The Colorado Rockies optioned OF Sean Bouchard to the minors. |
| LV | Osvaldo Bido | The Athletics optioned RHP Osvaldo Bido to the minors. |
| PIT | Nick Solak | The Pittsburgh Pirates selected the contract of OF Nick Solak from the minors. |
| MIN | Michael Tonkin | The Minnesota Twins transferred RHP Michael Tonkin to the 60-day injured list. |
| COL | Ezequiel Tovar | The Colorado Rockies activated INF Ezequiel Tovar from the 10-day injured list. |
| SF | Brett Wisely | The San Francisco Giants optioned INF Brett Wisely to the minors. |
| MIL | Rob Zastryzny | The New York Yankees traded LHP Rob Zastryzny to the Milwaukee Brewers. |
| MIL | Elvis Peguero | The Milwaukee Brewers optioned RHP Elvis Peguero to the minors. |
| ARI | Eduardo Rodriguez | The Arizona Diamondbacks placed LHP Eduardo Rodriguez on the 15-day injured list. |
| ARI | Scott McGough | The Arizona Diamondbacks recalled RHP Scott McGough from the minors. |
| PHI | Aaron Nola | The Philadelphia Phillies placed RHP Aaron Nola on the 15-day injured list. |
| PHI | Daniel Robert | The Philadelphia Phillies recalled RHP Daniel Robert from the minors. |
| BOS | Kutter Crawford | The Boston Red Sox placed RHP Kutter Crawford on the 60-day injured list. |
| KC | Taylor Clarke | The Kansas City Royals placed RHP Taylor Clarke on the Paternity Leave list. |
| NYY | Jonathan Loaisiga | The New York Yankees activated RHP Jonathan Loáisiga from the 15-day injured list. |
| NYY | Clayton Beeter | The New York Yankees optioned RHP Clayton Beeter to the minors. |
| NYY | Clayton Beeter | The New York Yankees activated RHP Clayton Beeter from the 15-day injured list. |
| KC | Dairon Blanco | The Kansas City Royals activated OF Dairon Blanco from the 10-day injured list. |
| BOS | Cooper Criswell | The Boston Red Sox optioned RHP Cooper Criswell to the minors. |
| NYY | Tyler Matzek | The New York Yankees designated LHP Tyler Matzek for assignment. |
| BOS | Nick Burdi | The Boston Red Sox selected the contract of RHP Nick Burdi from the minors. |
| CWS | Brandon Drury | The Chicago White Sox released INF Brandon Drury. |
| CHC | Kenta Maeda | The Chicago Cubs signed RHP Kenta Maeda to a minor league contract. |
| TEX | Adrian Houser | The Texas Rangers released RHP Adrian Houser. |
| TB | Coco Montes | The Tampa Bay Rays optioned INF Coco Montes to the minors. |
| TB | Yandy Diaz | The Tampa Bay Rays activated INF Yandy Diaz from the restricted list. |
| CWS | Miguel Castro | The Chicago White Sox selected the contractRHP Miguel Castro from the minors. |
| CWS | Vinny Capra | The Chicago White Sox activated INF Vinny Capra. |
| CWS | Jacob Amaya | The Chicago White Sox designated INF Jacob Amaya for assignment. |
| ATL | Dylan Dodd | The Atlanta Braves recalled LHP Dylan Dodd from the minors. |
| CWS | Jared Shuster | The Chicago White Sox sent LHP Jared Shuster to the minors. |
| NYM | Jose Castillo | The Arizona Diamondbacks traded LHP José Castillo to the New York Mets. |
| NYM | Kevin Herget | The New York Mets designated RHP Kevin Herget for assignment. |
| ARI | Joe Mantiply | The Arizona Diamondbacks optioned LHP Joe Mantiply to the minors. |
Thu May 15 2025
| COL | Anthony Molina | The Colorado Rockies optioned RHP Anthony Molina to the minors. |
| CWS | Miguel Castro | The Houston Astros traded RHP Miguel Castro to the Chicago White Sox. |
| TEX | Caleb Boushley | The Texas Rangers optioned RHP Caleb Boushley to the minors. |
| TEX | Cole Winn | The Texas Rangers recalled RHP Cole Winn from the minors. |
| ATL | Bryce Elder | The Atlanta Braves optioned RHP Bryce Elder to the minors. |
| CWS | Vinny Capra | The Chicago White Sox claimed INF Vinny Capra to the Milwaukee Brewers. |
| LAD | Justin Wrobleski | The Los Angeles Dodgers recalled LHP Justin Wrobleski from the minors. |
| LAD | J.P. Feyereisen | The Los Angeles Dodgers optioned RHP J.P. Feyereisen to the minors. |
| TB | Travis Jankowski | The Tampa Bay Rays placed OF Travis Jankowski on the 10-day injured list. |
| TB | Josh Lowe | The Tampa Bay Rays activated OF Josh Lowe from the 10-day injured list. |
| STL | Matt Svanson | The St. Louis Cardinals returned RHP Matt Svanson to the minors. |
| MIN | Simeon Woods Richardson | The Minnesota Twins optioned RHP Simeon Woods Richardson to the minors. |
| MIN | Kody Funderburk | The Minnesota Twins returned LHP Kody Funderburk to the minors. |
| PHI | Daniel Robert | The Philadelphia Phillies returned 27th man RHP Daniel Robert to the minors. |
