BOSTON RED SOX — Designated C/UT Blake Swihart for assignment. Selected the contracts of C Sandy León and RHP Erasmo Ramírez from Pawtucket (IL).
NEW YORK YANKEES — Placed 1B Greg Bird on the 10-day IL, retroactive to Sunday, April 14. Selected the contract of 1B Mike Ford from Scranton/Wilkes-Barre (IL). Transferred OF Jacoby Ellsbury to the 60-day IL.
OAKLAND ATHLETICS — Optioned RHP Chris Bassitt to Las Vegas (PCL).
ATLANTA BRAVES — Placed LHP Johnny Venters on the 10-day IL.
CINCINNATI REDS — Optioned OF Phillip Ervin to Louisville (IL).