Guest of the League
MLB Transactions
2023-05-30
| DET | Matt Vierling | The Detroit Tigers placed OF Matt Vierling on the 10-day injured list. |
| DET | Tyler Nevin | The Detroit Tigers recalled INF Tyler Nevin from the minors. |
| MIA | Xavier Edwards | The Miami Marlins optioned INF Xavier Edwards to the minors. |
| MIL | Abraham Toro | The Milwaukee Brewers recalled INF Abraham Toro from the minors. |
| MIA | Jesus Sanchez | The Miami Marlins activated OF Jesús Sánchez from the 10-day injured list. |
| SD | Brett Sullivan | The San Diego Padres optioned C Brett Sullivan to the minors. |
| LAD | Alex Vesia | The Los Angeles Dodgers recalled LHP Alex Vesia from the minors. |
| LAD | Gavin Stone | The Los Angeles Dodgers optioned RHP Gavin Stone to the minors. |
2023-05-29
| DET | Eduardo Rodriguez | The Detroit Tigers placed LHP Eduardo Rodriguez on the 15-day injured list. |
| COL | Karl Kauffmann | The Colorado Rockies optioned RHP Karl Kauffmann to the minors. |
| SD | Gary Sanchez | The San Diego Padres claimed C Gary Sánchez off waivers from the New York Mets. |
| CWS | Liam Hendriks | The Chicago White Sox activated RHP Liam Hendriks from the 15-day injured list. |
| CWS | Jimmy Lambert | The Chicago White Sox placed RHP Jimmy Lambert on the 15-day injured list with ankle inflammation. |
| OAK | Jonah Bride | The Oakland Athletics recalled INF Jonah Bride from the minors. |
| MIL | Luke Voit | The Milwaukee Brewers designated INF Luke Voit for assignment. |
| MIL | Alex Claudio | The Milwaukee Brewers sent LHP Alex Claudio outright to the minors. |
| OAK | Jesus Aguilar | The Oakland Athletics designated DH Jesús Aguilar for assignment. |
| OAK | Paul Blackburn | The Oakland Athletics activated RHP Paul Blackburn from the 15-day injured list. |
| OAK | Garrett Acton | The Oakland Athletics optioned RHP Garrett Acton to the minors. |
| COL | Ryan Feltner | The Colorado Rockies transferred RHP Ryan Feltner to the 60-day injured list. |
| ARI | Peter Solomon | The Arizona Diamondbacks designated RHP Peter Solomon for assignment. |
| SF | Austin Slater | The San Francisco Giants activated OF Austin Slater from the 10-day injured list. |
| SF | Tristan Beck | The San Francisco Giants optioned RHP Tristan Beck to the minors. |
| COL | Ryan Rolison | The Colorado Rockies optioned LHP Ryan Rolison to the minors. |
| COL | Ryan Rolison | The Colorado Rockies activated LHP Ryan Rolison from the 60-day injured list. |
| COL | Charlie Blackmon | The Colorado Rockies placed DH Charlie Blackmon on the bereavement list. |
| COL | Elehuris Montero | The Colorado Rockies recalled INF Elehuris Montero from the minors. |
| TB | Trevor Kelley | The Tampa Bay Rays recalled RHP Trevor Kelley from the minors. |
| TB | Pete Fairbanks | The Tampa Bay Rays placed RHP Pete Fairbanks on the 15-day injured list. |
| ATL | Michael Soroka | The Atlanta Braves recalled RHP Michael Soroka from the minors. |
| TEX | Cody Bradford | The Texas Rangers optioned LHP Cody Bradford to the minors. |
| ATL | Dereck Rodriguez | The Atlanta Braves optioned RHP Dereck Rodríguez to the minors. |
| MIN | Max Kepler | The Minnesota Twins activated OF Max Kepler from the 10-day injured list. |
| MIN | Royce Lewis | The Minnesota Twins activated INF Royce Lewis from the 60-day injured list. |
| MIN | Matt Wallner | The Minnesota Twins optioned OF Matt Wallner to the minors. |
| MIN | Kyle Garlick | The Minnesota Twins optioned OF Kyle Garlick to the minors. |
| TEX | Ricky Vanasco | The Texas Rangers designated RHP Ricky Vanasco for assignment. |
| MIN | Nick Gordon | The Minnesota Twins transferred INF Nick Gordon to the 60-day injured list. |
| LAA | Reyes Moronta | The Los Angeles Angels sent RHP Reyes Moronta outright to the minors. |
2023-05-28
| MIL | Jesse Winker | The Milwaukee Brewers placed OF Jesse Winker on the 10-day injured list. |
| LAA | Ben Joyce | The Los Angeles Angels selected the contract of RHP Ben Joyce. |
| ATL | Chad Pinder | OF Chad Pinder retired from Major League Baseball. |
| PIT | Vince Velasquez | The Pittsburgh Pirates placed RHP Vince Velasquez on the 15-day injured list. |
| LAA | Matt Moore | The Los Angeles Angels placed LHP Matt Moore on the 15-day injured list. |
| LAA | Austin Warren | The Los Angeles Angels placed RHP Austin Warren on the 60-day injured list. |
| KC | Daniel Lynch | The Kansas City Royals activated LHP Daniel Lynch from the 15-day injured list. |
| KC | Josh Taylor | The Kansas City Royals placed LHP Josh Taylor on the 15-day injured list. |
| CWS | Adam Haseley | The Chicago White Sox optioned OF Adam Haseley to the minors. |
| CWS | Eloy Jimenez | The Chicago White Sox activated DH Eloy Jiménez from the 10-day injured list. |
| NYY | Domingo German | RHP Domingo Germán was reinstated from suspension. |
| TB | Trevor Kelley | The Tampa Bay Rays optioned RHP Trevor Kelley to the minors. |
2023-05-27
| LAD | Zack Burdi | The Los Angeles Dodgers optioned RHP Zack Burdi to the minors. |
| ARI | Brandon Pfaadt | The Arizona Diamondbacks optioned RHP Brandon Pfaadt to the minors. |
| ARI | Zach Davies | The Arizona Diamondbacks activated RHP Zach Davies from the 15-day injured list. |
| ARI | Luis Frias | The Arizona Diamondbacks optioned RHP Luis Frías to the minors. |
| ARI | Drey Jameson | The Arizona Diamondbacks recalled RHP Drey Jameson from the minors. |
| BOS | Brennan Bernardino | The Boston Red Sox optioned LHP Brennan Bernardino to the minors. |
| BOS | Garrett Whitlock | The Boston Red Sox activated RHP Garrett Whitlock from the 15-day injured list. |
| CIN | Silvino Bracho | The Cincinnati Reds sent RHP Silvino Bracho outright to the minors. |
| TEX | Cody Bradford | The Texas Rangers recalled LHP Cody Bradford from the minors. |
| SF | David Villar | The San Francisco Giants recalled INF David Villar from the minors. |
| TEX | Ezequiel Duran | The Texas Rangers placed INF Ezequiel Duran on the 10-day injured list. |
| TEX | Travis Jankowski | The Texas Rangers activated OF Travis Jankowski from the 10-day injured list. |
| TEX | Dane Dunning | The Texas Rangers placed RHP Dane Dunning on the Paternity Leave list. |
| SF | Thairo Estrada | The San Francisco Giants placed INF Thairo Estrada on the 10-day injured list. |
| MIL | Ethan Small | The Milwaukee Brewers optioned LHP Ethan Small to the minors. |
| KC | Hunter Dozier | The Kansas City Royals released INF Hunter Dozier. |
| KC | Hunter Dozier | The Kansas City Royals released INF Hunter Dozier. |
| MIL | Willy Adames | The Milwaukee Brewers placed INF Willy Adames on the 7-day injured list. |
| MIL | Jake Cousins | The Milwaukee Brewers recalled RHP Jake Cousins from the minors. |
| MIL | Alex Claudio | The Milwaukee Brewers designated LHP Alex Claudio for assignment. |
| PIT | Vince Velasquez | The Pittsburgh Pirates activated RHP Vince Velasquez from the 15-day injured list. |
| OAK | Hogan Harris | The Oakland Athletics recalled LHP Hogan Harris from the minors. |
| PIT | Duane Underwood Jr. | The Pittsburgh Pirates designated RHP Duane Underwood Jr. for assignment. |
| OAK | Adrian Martinez | The Oakland Athletics optioned RHP Adrián Martínez to the minors. |
| BAL | Keegan Akin | The Baltimore Orioles recalled LHP Keegan Akin from the minors. |
| BAL | Grayson Rodriguez | The Baltimore Orioles optioned RHP Grayson Rodriguez to the minors. |
| SD | Luis Garcia | The San Diego Padres placed RHP Luis García on the 15-day injured list. |
| SD | Domingo Tapia | The San Diego Padres recalled RHP Domingo Tapia from the minors. |
| NYY | Matt Krook | The New York Yankees recalled LHP Matt Krook from the minors. |
| TB | Cooper Criswell | The Tampa Bay Rays optioned RHP Cooper Criswell to the minors. |
| TB | Tyler Glasnow | The Tampa Bay Rays activated RHP Tyler Glasnow from the 15-day injured list. |
| ATL | Dereck Rodriguez | The Atlanta Braves recalled RHP Dereck Rodríguez from the minors. |
| ATL | Dylan Dodd | The Atlanta Braves optioned LHP Dylan Dodd to the minors. |
2023-05-26
| NYY | Randy Vasquez | The New York Yankees optioned RHP Randy Vásquez to the minors. |
| LAA | Reyes Moronta | The Los Angeles Angels designated RHP Reyes Moronta for assignment. |
| TOR | Tyler Heineman | The Toronto Blue Jays recalled C Tyler Heineman from the minors. |
| TOR | Danny Jansen | The Toronto Blue Jays placed C Danny Jansen on the 10-day injured list. |
| PHI | Cal Stevenson | The Philadelphia Phillies claimed OF Cal Stevenson from the San Francisco Giants. Optioned to minors. |
| MIL | Tyson Miller | The Milwaukee Brewers optioned RHP Tyson Miller to the minors. |
| KC | Drew Waters | The Kansas City Royals activated OF Drew Waters from the 10-day injured list. |
| MIL | Ethan Small | The Milwaukee Brewers recalled LHP Ethan Small from the minors. |
| COL | Nolan Jones | The Colorado Rockies recalled OF Nolan Jones from the minors. |
| COL | Michael Toglia | The Colorado Rockies optioned OF Michael Toglia to the minors. |
| NYY | Randy Vasquez | The New York Yankees recalled RHP Randy Vásquez from the minors. |
| LAD | Tyler Cyr | The Los Angeles Dodgers transferred RHP Tyler Cyr to the 60-day injured list. |
| LAD | Zack Burdi | The Los Angeles Dodgers claimed RHP Zack Burdi from the Tampa Bay Rays |
| NYY | Aaron Hicks | The New York Yankees released OF Aaron Hicks. |
| CWS | Jake Marisnick | The Chicago White Sox sent outright OF Jake Marisnick to the minors. |
| LAD | Clayton Kershaw | The Los Angeles Dodgers activated LHP Clayton Kershaw from the bereavement list. |
| SD | Jose Iglesias | INF José Iglesias opted out of his contract and declared free agency. |
| BAL | Ramon Urias | The Baltimore Orioles activated INF Ramón Urías from the 10-day injured list. |
| BAL | Joey Ortiz | The Baltimore Orioles optioned INF Joey Ortiz to the minors. |
| CIN | Wil Myers | The Cincinnati Reds placed OF Wil Myers on the 10-day injured list. |
| CIN | Fernando Cruz | The Cincinnati Reds activated RHP Fernando Cruz from the 15-day injured list. |
| CIN | Will Benson | The Cincinnati Reds recalled OF Will Benson from the minors. |
| NYY | Nick Ramirez | The New York Yankees optioned LHP Nick Ramirez to the minors. |
| LAD | Tayler Scott | The Los Angeles Dodgers optioned RHP Tayler Scott to the minors. |
| TOR | Julian Fernandez | The Toronto Blue Jays released RHP Julian Fernández. |
2023-05-25
| ARI | Jake McCarthy | The Arizona Diamondbacks recalled OF Jake McCarthy from the minors. |
| CHC | Eric Hosmer | The Chicago Cubs released INF Eric Hosmer. |
| ARI | Dominic Fletcher | The Arizona Diamondbacks optioned OF Dominic Fletcher to the minors. |
| LAD | Wander Suero | The Los Angeles Dodgers sent RHP Wander Suero outright to the minors. |
| NYM | Tomas Nido | The New York Mets activated C Tomás Nido from the 10-day injured list. |
| NYM | Gary Sanchez | The New York Mets designated C Gary Sánchez for assignment. |
| MIL | Jake Cousins | The Milwaukee Brewers optioned RHP Jake Cousins to the minors. |
| ATL | Michael Tonkin | The Atlanta Braves placed RHP Michael Tonkin on the 15-day injured list retroactive to May 24 with a strained neck. |
| ATL | Dylan Dodd | The Atlanta Braves recalled LHP Dylan Dodd from the minors. |
| MIL | Julio Teheran | The Milwaukee Brewers signed RHP Julio Teheran. |
| CHC | Nick Madrigal | The Chicago Cubs optioned INF Nick Madrigal to the minors. |
| CHC | Kyle Hendricks | The Chicago Cubs activated RHP Kyle Hendricks from the 15-day injured list. |
| KC | Nate Eaton | The Kansas City Royals optioned OF Nate Eaton to the minors. |
| TB | Ben Heller | The Tampa Bay Rays optioned RHP Ben Heller to the minors. |
| TB | Jake Diekman | The Tampa Bay Rays reinstated Jake Diekman from the Paternity Leave list. |
| TB | Calvin Faucher | The Tampa Bay Rays recalled RHP Calvin Faucher from the minors. |
2023-05-24
| SD | Adam Engel | The San Diego Padres released OF Adam Engel. |
| SF | Phoenix Sanders | The San Francisco Giants signed RHP Phoenix Sanders to a minor league contract. |
| COL | Fernando Abad | The Colorado Rockies released LHP Fernando Abad. |
| LAA | Brett Phillips | The Los Angeles Angels sent outright OF Brett Phillips to the minors. |
| TB | Ben Heller | The Tampa Bay Rays selected the contract of RHP Ben Heller from the minors. |
| TB | Zack Littell | The Tampa Bay Rays placed RHP Zack Littell on the 15-day injured list. |
| TB | Vidal Brujan | The Tampa Bay Rays recalled INF Vidal Bruján from the minors. |
| CHC | Javier Assad | The Chicago Cubs recalled RHP Javier Assad from the minors. |
| CIN | Silvino Bracho | The Cincinnati Reds designated RHP Silvino Bracho for assignment. |
| TB | Zack Burdi | The Tampa Bay Rays designated RHP Zack Burdi for assignment. |
| SEA | Pedro Severino | The Seattle Mariners signed C Pedro Severino to a minor league contract. |
2023-05-23
| BAL | Ben DeLuzio | The Baltimore Orioles signed OF Ben DeLuzio to a minors contract. |
| PIT | Miguel Andujar | The Pittsburgh Pirates sent outright OF Miguel Andujar to the minors. |
| LAD | Tyler Cyr | The Los Angeles Dodgers placed RHP Tyler Cyr on the 15-day injured list. |
| LAD | Dustin May | The Los Angeles Dodgers transferred RHP Dustin May to the 60-day injured list. |
| MIA | Johnny Cueto | The Miami Marlins transferred RHP Johnny Cueto to the 60-day injured list. |
| LAD | Tayler Scott | The Los Angeles Dodgers recalled RHP Tayler Scott from the minors. |
| MIA | Jonathan Davis | The Miami Marlins selected OF Jonathan Davis from the minors. |
| MIA | Peyton Burdick | The Miami Marlins optioned OF Peyton Burdick to the minors. |
| TOR | Thomas Hatch | The Toronto Blue Jays optioned RHP Thomas Hatch to the minors. |
| TOR | Otto Lopez | The Toronto Blue Jays optioned INF Otto Lopez to the minors. |
| TOR | Adam Cimber | The Toronto Blue Jays activated RHP Adam Cimber from the 15-day injured list. |
| OAK | Trevor May | The Oakland Athletics activated RHP Trevor May from the 15-day injured list. |
| TOR | Ernie Clement | The Toronto Blue Jays selected INF Ernie Clement from the minors. |
| TOR | Mitch White | The Toronto Blue Jays transfered RHP Mitch White to the 60-day injured list. |
| OAK | Kyle Muller | The Oakland Athletics optioned LHP Kyle Muller to the minors. |
| MIN | Trevor Larnach | The Minnesota Twins placed OF Trevor Larnach on the 10-day injured list. |
| KC | Nick Wittgren | The Kansas City Royals selected RHP Nick Wittgren from the minors. |
| KC | Nick Wittgren | The Kansas City Royals selected RHP Nick Wittgren from the minors. |
| MIN | Matt Wallner | The Minnesota Twins recalled OF Matt Wallner from the minors. |
| KC | Max Castillo | The Kansas City Royals optioned RHP Max Castillo to the minors. |
| CIN | Will Benson | The Cincinnati Reds optioned OF Will Benson to the minors. |
| CIN | TJ Friedl | The Cincinnati Reds activated OF TJ Friedl from the 10-day injured list. |
| PHI | Andrew Bellatti | The Philadelphia Phillies optioned RHP Andrew Bellatti to the minors. |
| PHI | Dylan Covey | The Philadelphia Phillies recalled RHP Dylan Covey from the minors. |
2023-05-22
| NYM | Josh Walker | The New York Mets optioned LHP Josh Walker to the minors. |
| LAD | Wander Suero | The Los Angeles Dodgers designated RHP Wander Suero for assignment. |
| LAD | Tayler Scott | The Los Angeles Dodgers selected the contract of RHP Tayler Scott from the minors. |
| BOS | Brennan Bernardino | The Boston Red Sox recalled LHP Brennan Bernardino from the minors. |
| BOS | Richard Bleier | The Boston Red Sox placed LHP Richard Bleier on the 15-day injured list with shoulder inflammation. |
| LAD | Gavin Stone | The Los Angeles Dodgers recalled RHP Gavin Stone from the minors. |
| LAD | Clayton Kershaw | The Los Angeles Dodgers placed LHP Clayton Kershaw on the bereavement list. |
| OAK | Seth Brown | The Oakland Athletics activated OF Seth Brown from the 10-day injured list. |
| TOR | Santiago Espinal | The Toronto Blue Jays placed INF Santiago Espinal on the 10-day injured list. |
| MIA | Jonathan Davis | The Detroit Tigers traded OF Jonathan Davis to the Miami Marlins. |
| TOR | Otto Lopez | The Toronto Blue Jays recalled INF Otto Lopez from the minors. |
| HOU | Parker Mushinski | The Houston Astros activated LHP Parker Mushinski from the 15-day injured list. |
| OAK | Jordan Diaz | The Oakland Athletics optioned INF Jordan Diaz to the minors. |
| HOU | Matt Gage | The Houston Astros optioned LHP Matt Gage to the minors. |
| MIL | Tyson Miller | The Milwaukee Brewers recalled RHP Tyson Miller from the minors. |
| KC | Hunter Dozier | The Kansas City Royals designated INF Hunter Dozier for assignment. |
| LAD | Gus Varland | The Milwaukee Brewers returned RHP Gus Varland to the Los Angeles Dodgers. |
| MIL | Eric Lauer | The Milwaukee Brewers placed LHP Eric Lauer on the 15-day injured list with right should impingement retroactive to May 21. |
| KC | Nicky Lopez | The Kansas City Royals activated INF Nicky Lopez from the 10-day injured list. |
| CLE | Tim Herrin | The Cleveland Guardians optioned LHP Tim Herrin to the minors. |
| CLE | Hunter Gaddis | The Cleveland Guardians recalled RHP Hunter Gaddis from the minors. |
| CLE | Bo Naylor | The Cleveland Guardians optioned C Bo Naylor to the minors. |
| TB | Jake Diekman | The Tampa Bay Rays placed LHP Jake Diekman on the Paternity Leave list. |
| TB | Zack Burdi | The Tampa Bay Rays recalled RHP Zack Burdi from the minors. |
| TEX | Jacob Barnes | The Texas Rangers released RHP Jacob Barnes. |
| OAK | Zach Neal | The Oakland Athletics sent RHP Zach Neal outright to the minors. |
2023-05-21
| CHC | Nick Burdi | The Chicago Cubs placed RHP Nick Burdi on the 15-day injured list. |
| COL | Luis Cessa | The Colorado Rockies signed RHP Luis Cessa to a minor league contract. |
| CWS | Mike Clevinger | The Chicago White Sox placed RHP Mike Clevinger on the 15-day injured list. |
| LAA | Jacob Webb | The Los Angeles Angels selected the contract of RHP Jacob Webb. |
| LAA | Reyes Moronta | The Los Angeles Angels selected the contract of RHP Reyes Moronta. |
| LAA | Zack Weiss | The Los Angeles Angels optioned RHP Zack Weiss to the minors. |
| LAA | Jimmy Herget | The Los Angeles Angels optioned RHP Jimmy Herget to the minors. |
| BOS | Ryan Brasier | The Boston Red Sox released RHP Ryan Brasier. |
| LAA | Aaron Loup | The Los Angeles Angels activated LHP Aaron Loup from the 15-day injured list. |
| LAA | Andrew Wantz | The Los Angeles Angels optioned RHP Andrew Wantz to the minors. |
| COL | Fernando Abad | The Colorado Rockies designated LHP Fernando Abad for assignment. |
| CWS | Jake Marisnick | The Chicago White Sox designated OF Jake Marisnick for assignment. |
| CLE | Bo Naylor | The Cleveland Guardians recalled C Bo Naylor from the minors. |
| CWS | Clint Frazier | The Chicago White Sox selected the contract of OF Clint Frazier. |
| NYM | Josh Walker | The New York Mets recalled LHP Josh Walker from the minors. |
| TB | Ryan Thompson | The Tampa Bay Rays optioned RHP Ryan Thompson to the minors. |
| NYY | Luis Severino | The New York Yankees activated RHP Luis Severino from the 15-day injured list. |
| TB | Cooper Criswell | The Tampa Bay Rays recalled RHP Cooper Criswell from the minors. |
| BAL | Mychal Givens | The Baltimore Orioles activated RHP Mychal Givens from the 15-day injured list. |
| BAL | Cole Irvin | The Baltimore Orioles optioned LHP Cole Irvin to the minors. |
2023-05-20
| MIN | Austin Brice | The Minnesota Twins signed RHP Austin Brice to a minor league contract. |
| NYY | Jhony Brito | The New York Yankees optioned RHP Jhony Brito to the minors. |
| LAD | Wander Suero | The Los Angeles Dodgers recalled RHP Wander Suero from the minors. |
| LAA | Jared Walsh | The Los Angeles Angels activated INF Jared Walsh from the 10-day injured list. |
| LAA | Brett Phillips | The Los Angeles Angels designated OF Brett Phillips for assignment. |
| SD | Jose Azocar | The San Diego Padres activated OF José Azocar from the 10-day injured list. |
| LAD | Julio Urias | The Los Angeles Dodgers placed LHP Julio Urías on the 15-day injured list. |
| SD | Adam Engel | The San Diego Padres designated OF Adam Engel for assignment. |
| SD | Kevin Plawecki | The San Diego Padres signed C Kevin Plawecki to a minor league contract. |
| LAD | Ken Giles | The Los Angeles Dodgers signed RHP Ken Giles to a minor league contract. |
| CIN | Will Benson | The Cincinnati Reds recalled OF Will Benson from the minors. |
| CIN | Henry Ramos | The Cincinnati Reds placed OF Henry Ramos on the 10-day injured list. |
| PHI | Darick Hall | The Philadelphia Phillies transferred INF Darick Hall from the 10-day injured list to the 60-day injured list. |
| PHI | Dylan Covey | The Philadelphia Phillies claimed RHP Dylan Covey off waivers from the Los Angeles Dodgers. |
| MIN | Jorge Polanco | The Minnesota Twins placed INF Jorge Polanco on the 10-day injured list. |
| MIL | J.B. Bukauskas | The Milwaukee Brewers placed RHP J.B. Bukauskas on the 15-day injured list. |
| MIL | Colin Rea | The Milwaukee Brewers recalled RHP Colin Rea from the minors. |
| MIN | Edouard Julien | The Minnesota Twins recalled INF Edouard Julien from the minors. |
| NYY | Aaron Hicks | The New York Yankees designated OF Aaron Hicks for assignment. |
| NYY | Greg Allen | The New York Yankees selected the contract of OF Greg Allen from the minors. |
| ARI | Austin Adams | The Arizona Diamondbacks selected the contract of RHP Austin Adams from the minors. |
| WSH | Chad Kuhl | The Washington Nationals activated RHP Chad Kuhl from the 15-day injured list. |
| WSH | Hobie Harris | The Washington Nationals optioned RHP Hobie Harris to the minors. |
| ARI | Anthony Misiewicz | The Arizona Diamondbacks placed LHP Anthony Misiewicz on the 15-day injured list. |
| ARI | Carson Kelly | The Arizona Diamondbacks transferred C Carson Kelly from the 10-day injured list to the 60-day injured list. |
| OAK | James Kaprielian | The Oakland Athletics recalled RHP James Kaprielian from the minors. |
| OAK | Drew Rucinski | The Oakland Athletics placed RHP Drew Rucinski on the 15-day injured list. |
| PHI | Erich Uelmen | The Philadelphia Phillies optioned RHP Erich Uelmen to the minors. |
| PHI | Yunior Marte | The Philadelphia Phillies recalled RHP Yunior Marte from the minors. |
| KC | Amir Garrett | The Kansas City Royals reinstated LHP Amir Garrett from the Family Medical Emergency List. |
| NYY | Oswald Peraza | The New York Yankees activated INF Oswald Peraza from the 10-day injured list and optioned him to the minors. |
| NYY | Michael Feliz | The New York Yankees signed RHP Michael Feliz to a minor league contract. |
| KC | Jackson Kowar | The Kansas City Royals optioned RHP Jackson Kowar to the minors. |
| LAA | Ryan Tepera | The Los Angeles Angels released RHP Ryan Tepera. |
2023-05-19
| BAL | Phoenix Sanders | The Baltimore Orioles released RHP Phoenix Sanders. |
| SD | Brandon Dixon | The San Diego Padres recalled INF Brandon Dixon from the minors. |
| NYY | Greg Allen | The Boston Red Sox traded OF Greg Allen to the New York Yankees. |
| SD | Manny Machado | The San Diego Padres placed INF Manny Machado on the 10-day injured list retroactive to May 17. |
| CIN | Derek Law | The Cincinnati Reds placed RHP Derek Law on the 15-day injured list with a right elbow sprain retroactive to May 17. |
| NYM | Carlos Carrasco | The New York Mets activated RHP Carlos Carrasco from the 15-day injured list. |
| NYM | Josh Walker | The New York Mets optioned LHP Josh Walker to the minors. |
| KC | Max Castillo | The Kansas City Royals recalled RHP Max Castillo from the minors. |
| CLE | Peyton Battenfield | The Cleveland Guardians placed RHP Peyton Battenfield on the 15-day injured list with right shoulder inflammation. |
| CLE | Tim Herrin | The Cleveland Guardians recalled LHP Tim Herrin from the minors. |
| KC | Brad Keller | The Kansas City Royals placed RHP Brad Keller on the 15-day injured list with right shoulder impingement syndrome retroactive to May 16. |
| CHC | Edwin Rios | The Chicago Cubs recalled DH Edwin Ríos from the minors. |
| CHC | Cody Bellinger | The Chicago Cubs placed OF Cody Bellinger on the 10-day injured list retroactive to May 16 with a left knee contusion. |
| HOU | David Hensley | The Houston Astros optioned DH David Hensley to the minors. |
| NYM | Tim Locastro | The New York Mets transferred OF Tim Locastro to the 60-day injured list with a right thumb UCL sprain. |
| CHC | Eric Hosmer | The Chicago Cubs designated INF Eric Hosmer for assignment. |
| HOU | Jose Altuve | The Houston Astros activated INF Jose Altuve from the 10-day injured list. |
| LAD | Tyler Cyr | The Los Angeles Dodgers selected the contract of RHP Tyler Cyr from the minors. |
| NYM | Gary Sanchez | The New York Mets selected the contract of C Gary Sánchez from the minors. |
| CHC | Nico Hoerner | The Chicago Cubs activated INF Nico Hoerner from the 10-day injured list. |
| BOS | Bradley Zimmer | The Boston Red Sox signed OF Bradley Zimmer to a minor league contract. |
| CHC | Keegan Thompson | The Chicago Cubs optioned RHP Keegan Thompson to the minors. |
| ATL | Dylan Lee | The Atlanta Braves placed LHP Dylan Lee on the 15-day injured list with left shoulder inflammation backdated to May 17. |
| NYM | Michael Perez | The New York Mets optioned C Michael Pérez to the minors. |
| ATL | Lucas Luetge | The Atlanta Braves activated LHP Lucas Luetge from the 15-day injured list. |
| CLE | Brayan Rocchio | The Cleveland Guardians optioned INF Brayan Rocchio to the minors. |
| MIN | Nick Gordon | The Minnesota Twins placed INF Nick Gordon on the 10-day injured list with a right tibia fracture. |
| COL | German Marquez | The Colorado Rockies placed RHP German Marquez on 60-day injured list. |
| OAK | Zach Neal | The Oakland Athletics RHP Zach Neal has been designated for assignment. |
| PIT | Rob Zastryzny | The Pittsburgh Pirates activated LHP Rob Zastryzny from the 15-day injured list. |
| LAD | Andre Jackson | The Los Angeles Dodgers optioned RHP Andre Jackson to the minors. |
| ATL | Charlie Culberson | The Atlanta Braves selected the contract of LF Charlie Culberson from the minors. |
| WSH | Joey Meneses | The Washington Nationals activated INF Joey Meneses from the paternity list. |
| OAK | Zach Jackson | The Oakland Athletics placed RHP Zach Jackson on the 15-day injured list. |
| WSH | Jake Alu | The Washington Nationals optioned INF Jake Alu to the minors. |
| MIN | Kyle Garlick | The Minnesota Twins recalled OF Kyle Garlick from the minors. |
| CLE | Jose Ramirez | The Cleveland Guardians activated INF José Ramírez from the bereavement list. |
| LAD | Tyler Cyr | The Los Angeles Dodgers selected RHP Tyler Cyr from the minors. |
| PIT | Miguel Andujar | The Pittsburgh Pirates designated OF Miguel Andujar for assignment. |
| ATL | Charlie Culberson | The Atlanta Braves selected OF Charlie Culberson from the minors. |
| SF | Cal Stevenson | The San Francisco Giants OF Cal Stevenson was designated for assignment. |
| LAD | Bradley Zimmer | The Los Angeles Dodgers released OF Bradley Zimmer. |
| ATL | Ehire Adrianza | The Atlanta Braves placed INF Ehire Adrianza on the 60-day injured list. |
| SF | Heliot Ramos | The San Francisco Giants recalled OF Heliot Ramos from the minors. |
| SF | Heliot Ramos | The San Francisco Giants placed OF Heliot Ramos on the 60-day injured list. |
2023-05-18
| WSH | Luis Torrens | The Washington Nationals signed C Luis Torrens to a minor league contract. |
| SF | Joey Bart | The San Francisco Giants placed C Joey Bart on the 10-day injured list. |
| SF | Ross Stripling | The San Francisco Giants placed RHP Ross Stripling on the 15-day injured list. |
| SD | Ryan Weathers | The San Diego Padres recalled LHP Ryan Weathers from the minors. |
| SD | David Dahl | The San Diego Padres optioned OF David Dahl to the minors. |
| SD | Seth Lugo | The San Diego Padres placed RHP Seth Lugo on the 15-day injured list with a calf injury. |
| LAD | Andre Jackson | The Los Angeles Dodgers recalled RHP Andre Jackson from the minors. |
| LAD | Dylan Covey | The Los Angeles Dodgers designated RHP Dylan Covey for assignment. |
| NYY | Ben Rortvedt | The New York Yankees recalled C Ben Rortvedt from the minors. |
| NYY | Jose Trevino | The New York Yankees placed C Jose Trevino on the 10-day injured list with a hamstring injury. |
| LAD | Dustin May | The Los Angeles Dodgers placed RHP Dustin May on the 15-day injured list with a forearm strain. |
| LAD | Justin Bruihl | The Los Angeles Dodgers recalled LHP Justin Bruihl from the minors. |
| BOS | Ryan Sherriff | The Boston Red Sox optioned LHP Ryan Sherriff to the minors. |
| ATL | Braden Shewmake | The Atlanta Braves optioned INF Braden Shewmake to the minors. |
| BOS | Kutter Crawford | The Boston Red Sox activated RHP Kutter Crawford from the 15-day injured list. |
| WSH | Franmil Reyes | The Washington Nationals signed DH Franmil Reyes to a minor league contract.. |
| TB | Taj Bradley | The Tampa Bay Rays recalled RHP Taj Bradley from the minors. |
| TB | Zack Burdi | The Tampa Bay Rays optioned RHP Zack Burdi to the minors. |
2023-05-17
| NYY | Domingo German | Major League Baseball suspended RHP Domingo Germán for 10 games. |
| LAD | Ben DeLuzio | The Los Angeles Dodgers released OF Ben DeLuzio. |
| COL | Riley Pint | The Colorado Rockies optioned RHP Riley Pint to the minors. |
| SD | Pedro Severino | The San Diego Padres released C Pedro Severino. |
| TEX | Sam Huff | The Texas Rangers optioned C Sam Huff to the minors. |
| WSH | Jake Alu | The Washington Nationals recalled INF Jake Alu from the minors. |
| TEX | Corey Seager | The Texas Rangers activated INF Corey Seager from the 10-day injured list. |
| WSH | Joey Meneses | The Washington Nationals placed DH Joey Meneses on the Paternity Leave list. |
| LAD | Dylan Covey | The Los Angeles Dodgers selected the contract of RHP Dylan Covey from the minors. |
| STL | Packy Naughton | The St. Louis Cardinals placed LHP Packy Naughton on the 60-day injury list. |
| MIL | Jake Cousins | The Milwaukee Brewers recalled RHP Jake Cousins from the minors. |
| STL | Oscar Mercado | The St. Louis Cardinals selected OF Óscar Mercado from the minors. |
| MIL | Wade Miley | The Milwaukee Brewers placed LHP Wade Miley on the 15-day injured list. |
| STL | Matthew Liberatore | The St. Louis Cardinals recalled LHP Matthew Liberatore from the minors. |
| STL | James Naile | The St. Louis Cardinals optioned RHP James Naile to the minors. |
| LAD | Jimmy Nelson | The Los Angeles Dodgers placed RHP Jimmy Nelson on the 60-day injured list. |
| TB | Zack Burdi | The Tampa Bay Rays selected the contract of RHP Zack Burdi from the minors. |
| TB | Javy Guerra | RHP Javy Guerra cleared waivers and has been sent outright to the minors. |
| TB | Yonny Chirinos | The Tampa Bay Rays optioned RHP Yonny Chirinos to the minors. |
| LAD | Justin Bruihl | The Los Angeles Dodgers optioned LHP Justin Bruihl to the minors. |
| NYY | Nick Ramirez | The New York Yankees recalled LHP Nick Ramirez from the minors. |
| NYY | Ian Hamilton | The New York Yankees placed RHP Ian Hamilton on the 15-day injured list. |
| NYM | Luis Guillorme | The New York Mets optioned INF Luis Guillorme to the minors. |
| KC | Mike Mayers | The Kansas City Royals selected the contract of RHP Mike Mayers from the minors. |
| ARI | Alek Thomas | The Arizona Diamondbacks optioned OF Alek Thomas to the minors. |
| ARI | Luis Frias | The Arizona Diamondbacks recalled RHP Luis Frías from the minors. |
| KC | Ryan Yarbrough | The Kansas City Royals placed LHP Ryan Yarbrough on the 60-day injured list. |
| KC | Amir Garrett | The Kansas City Royals placed LHP Amir Garrett on the Family Medical Emergency list. |
| NYM | Mark Vientos | The New York Mets recalled INF Mark Vientos from the minors. |
