SEATTLE MARINERS — Recalled RHP Keynan Middleton from Tacoma (Triple-A West). Optioned RHP Vinny Nittoli to Tacoma. Designated LHP Daniel Zamora for assignment.
TAMPA BAY RAYS — Placed SS Taylor Walls on the 10-day IL, retroactive to June 23. Traded 1B Wyatt Mathisen to Seattle Mariners for cash considerations. Recalled RHP Drew Rasmussen from Durham (Triple-A East).
ATLANTA BRAVES — Transferred LHP Tucker Davidson and C Alex Jackson from the 10-day IL to the 60-day IL. Optioned RHP Kyle Wright and RHP Ty Tice to Gwinnett (Triple-A East). Selected the contracts of RHP Jesse Chavez and RHP Tanner Roark from Gwinnett.
CINCINNATI REDS — Recalled RF Scott Heineman from Louisville (Triple-A East). Placed RHP Lucas Sims on the 10-day IL, retroactive to June 23.
LOS ANGELES DODGERS — Sent LHP Scott Alexander to Oklahoma City (Triple-A West) on a rehab assignment.
MIAMI MARLINS — Optioned RHP Jordan Holloway to Jacksonville (Triple-A East).
NEW YORK METS — Signed RHP Vance Worley to a minor league contract.
PHILADELPHIA PHILLIES — Sent SS Didi Gregorius to Lehigh Valley (Triple-A East) on a rehab assignment.