BOSTON RED SOX — Acquired RHP Dylan Covey from the Tampa Bay Rays.
DETROIT TIGERS — Optioned LF Travis Demeritte to the Tigers alternate training site.
KANSAS CITY ROYALS — Optioned RHP Jake Newberry to the Royals alternate training site.
LOS ANGELES ANGELS — Sent RHP Jacob Rhame outright to the Angels alternate training site.
NEW YORK YANKEES — Placed RHP Masahiro Tanaka on the 7-day concussion IL retroactive to July 19. Optioned LHP Jordan Montgomery to the Yankees alternate training site. Signed LHP Luis Avilan, RHP David Hale and C Chris Iannetta to one-year contracts and selected them to the 40-man roster. Reassigned INF Matt Duffy, C Erik Kratz, OF’s Estevan Florial and Zach Granite, LHP Tyler Lyons and RHP’s Deivi Garcia, Brooks Kriske, Nick Nelson, Clarke Schmidt, Nick Tropeano, Miguel Yajure and Tony Zych to the Yankees alternate training site. Placed RHP Dan Otero on the restricted list.
OAKLAND ATHLETICS — Announced Rule 5 Selection OF Mark Rayton returned to Oakland from Cincinnati Reds.
TORONTO BLUE JAYS — Placed INF Breyvic Valera on the restricted list.
TAMPA BAY RAYS — Placed LHP Colin Poche on the 60-day IL. Selected the contract of C Kevan Smith from the Rays alternate training site.
ATLANTA BRAVES — Recalled LHP Philip Pfeifer and RHP Jacob Webb from the Braves alternate training site. Placed RHP Jacob Webb and LHP Philip Pfeifer on the 60-day IL. Selected the contract of LF Charlie Culberson from the Braves alternate training site. Signed RHP Jhoulys Chacin to a one-year contract.
CINCINNATI REDS — Released 2B Derek Dietrich.
LOS ANGELES DODGERS — Optioned INF Gavin Lux to the Dodgers alternate training site.
MIAMI MARLINS — Signed RHP’s Zach McCambley and Kyle Hurt to minor league contracts.