Mets general manager Sandy Alderson said that the cortisone shot Shaun Marcum received for his right shoulder Tuesday was "largely precautionary."
Red Sox placed 3B Will Middlebrooks on the 15-day disabled list with lower back spasms.
Red Sox placed OF Shane Victorino on the 15-day disabled list, retroactive to May 21, with a left hamstring strain.
Reds placed LHP Sean Marshall on the 15-day disabled list, retroactive to May 21, with a sprained left shoulder.
Giants general manager Brian Sabean said during a radio interview Thursday that he anticipates "there’s some form of surgery coming" for Santiago Casilla (knee).
Danny Duffy (elbow) will begin a rehab assignment with Double-A Northwest Arkansas on Sunday.
Miguel Cabrera continued to torment major league pitching Thursday, going 2-for-3 with another homer in a comeback win against the Twins.
J.P. Arencibia went 2-for-5 with a home run and four RBI in Thursday's 12-6 win over the Orioles.
Jeff Fletcher of the Orange County Register reports that Tommy Hanson "could be weeks away" from rejoining the Angels' rotation.
Phillies placed 2B Chase Utley on the 15-day disabled list, retroactive to May 21, with a right oblique strain.
Angels manager Mike Scioscia said Jered Weaver (elbow) will rejoin the rotation next week as long as his between-starts bullpen session goes well.
Mike Puma of the New York Post was told by a high-ranking team official that prospect right-hander Zack Wheeler is expected make 2-3 more starts with Triple-A Las Vegas before joining the Mets.