BASEBALL
Major League Baseball
American League
BALTIMORE ORIOLES — Agreed to terms with UTL Cooper Hummel on a one-year contract. Placed OF Cedric Mullins on the 10-day IL, retroactive to May 29. Transferred RHP Cody Poteet to the 60-day IL. Hired John Mabry as senior advisor to the coaching staff.
CHICAGO WHITE SOX — Agreed to terms with RHP Dan Altavilla on a one-year contract. Placed RHP Miguel Castro on the 15-day IL, retroactive to May 29.
MINNESOTA TWINS — Reinstated OF Byron Buxton from the 7-day concussion list. Optioned OF Carson McCusker to St. Paul (IL).
TAMPA BAY RAYS — Reinstated OF Jake Mangum from the 10-day IL. Optioned OF Chandler Simpson to Durham (IL).
TORONTO BLUE JAYS — Recalled OF Alan Roden from Buffalo (IL). Placed OF Anthony Santander on the 10-day IL.
National League
CINCINNATI REDS — Placed OF Austin Hays on the 10-day IL, retroactive to May 29. Recalled RHP Lyon Richardson from Louisville (IL). Reinstated OF Jake Fraley from the 10-day IL.
COLORADO ROCKIES — Reinstated INF Thairo Estrada from the 60-day IL. Selected the contract of OF Sam Hilliard from Albuquerque (PCL). Designated OF Nick Martini for assignment.
MIAMI MARLINS — Designated OF Ronny Simon amd 1B Matt Mervis for assignment. Reinstated OF Dane Myers from the 10-day IL. Selected the contracts of OF Heriberto Hernandez and SS Jack Winkler from Jacksonville (IL).
NEW YORK METS — Appointed Lewis Sherr president of baseball operations. Recalled RHP Chris Devenski from Syracuse (IL). Optioned LHP Brandon Waddell to Syracuse.
Minor League
Atlantic League
Frontier League
FOOTBALL
National Football League
BUFFALO BILLS — Promoted Terrance Gray and Andie Gosper to assistant general managers, RJ Webb to college area scout, Ryan Moore to manager of football administration and operations, Dennis Lock to vice president of football research, Luis Guilamo to senior director of application development, Warren Zorrilla to assistant director of application development, Santino Parlato to football anlyst, Tabani Richards to senior assistant athletic director, Joe Micca to senior director of rehabiliation and player health and Alyssa Lee to assistant athletic trainer. Named MaryKathleen Collins to player personnel coordinator and Mike Micca to director of rehab/senior assistant.
MINNESOTA VIKINGS — Signed general manager Kwesi Adofo-Mensah to a multi-year contract extension.
HOCKEY
National Hockey League
BUFFALO SABRES — Hired Jarmo Kekalainen as senior adviser.
Minor League Hockey
American Hockey League
East Coast Hockey League
Southern Professional Hockey League
SOCCER
Major League Soccer
DC UNITED — Loaned F Hakim Karamoko to Loudon United FC (USL) for 2025.
National Women's Soccer League
United Soccer League
COLLEGE
