Red Sox placed RHP Alex Wilson on the 15-day disabled list with a right thumb injury.
White Sox manager Robin Ventura admitted Thursday that David Robertson has battled some forearm soreness this spring.
Chris Tillman said Thursday that he doesn't want to discuss his contract with the Orioles beyond Opening Day.
Nationals manager Matt Williams acknowledged that Jayson Werth still experiences some soreness in his surgically-repaired right shoulder when he tries to hit.
Glen Perkins threw a perfect inning Thursday afternoon in a minor league game.
Michael Brantley will be sidelined for the next couple of days due to back tightness.
Chris Archer has been named the Rays' Opening Day starter.
Alex Rios will get the next two or three days off after jamming his thumb.
Koji Uehara (hamstring) will throw on flat ground Thursday and is lined up for a bullpen session this weekend.
John Buck is retiring from baseball.
Blue Jays manager John Gibbons has acknowledged Michael Saunders (knee) won't be ready for Opening Day.
Blue Jays optioned RHP Steve Delabar to Triple-A Buffalo.