BOSTON RED SOX —Recalled LHP Kyle Hart from alternate training site. Optioned RHP Robert Stock to alternate training site. Claimed INF Christian Arroyo off waivers from Cleveland.
MILWAUKEE BREWERS — Optioned LHP Eric Lauer to alternate training site. Placed RHP Justin Grimm on 10-day IL. Recalled LHP Angel Perdomo from alternate training site. Selected the contract of RHP Drew Rasmussen from alternate training site. Transferred RHP Ray Black to the 45-day IL.
PITTSBURGH PIRATES — Activated RHP Keone Kela from the IL. Designated LHP Miguel Del Pozo for assignment.
WASHINGTON NATIONALS — Activated RHP Will Harris from the 10-day-IL. Placed LHP Sam Freeman on the 10-day IL. Selected the contract of LHP Seth Romero. Placed LHP Sean Doolittle on the 10-day IL retroactive to August 11th.