Arizona Diamondbacks designated LHP José Castillo for assignment.
Arizona Diamondbacks designated 2B Garrett Hampson for assignment.
Chicago White Sox designated 3B Gage Workman for assignment.
Chicago White Sox signed free agent RHP Jake Curtis to a minor league contract.
Cincinnati Reds signed free agent RHP Edgar Lugo to a minor league contract.
Minnesota Twins signed free agent C Luke Napleton to a minor league contract.
Minnesota Twins signed free agent LHP Brennen Oxford to a minor league contract.
Pittsburgh Pirates signed free agent LHP Dariel Miguel to a minor league contract.
Arizona Diamondbacks activated RHP Kendall Graveman from the 15-day injured list.
Athletics placed LHP T.J. McFarland on the 15-day injured list. Adductor strain.
Chicago Cubs activated LHP Caleb Thielbar from the paternity list.
Cleveland Guardians activated RF Will Brennan.
Miami Marlins placed CF Dane Myers on the 10-day injured list retroactive to May 11, 2025. Right oblique strain.
Miami Marlins activated CF Derek Hill from the 10-day injured list.
Pittsburgh Pirates activated SS Isiah Kiner-Falefa from the 10-day injured list.
Cleveland Guardians optioned SS Brayan Rocchio to Columbus Clippers.
Pittsburgh Pirates optioned SS Liover Peguero to Indianapolis Indians.
Chicago Cubs optioned RHP Gavin Hollowell to Iowa Cubs.
Los Angeles Dodgers optioned RF Steward Berroa to Oklahoma City Comets.
Texas Rangers optioned 1B Blaine Crim to Round Rock Express.
Toronto Blue Jays sent RHP Dillon Tate outright to Buffalo Bisons.
Chicago White Sox sent 1B Nick Maton outright to Charlotte Knights.