Chris Tillman was hit around in a loss to the Rays, serving up seven runs over 4 2/3 innings as the Orioles fell 11-2 on Tuesday.
MRIs on Miguel Gonzalez's right elbow and shoulder showed only inflammation.
Orioles activated RHP Chaz Roe from the 15-day disabled list.
Orioles recalled RHP Oliver Drake from Triple-A Norfolk.
Orioles purchased the contract of RHP Steve Johnson from Triple-A Norfolk.
Miguel Gonzalez will undergo an MRI on his right shoulder and right elbow on Tuesday.
Wei-Yin Chen yielded five runs over 4 2/3 innings, taking the loss against the Rays on Monday.
Orioles manager Buck Showalter said Monday that Miguel Gonzalez is nursing some soreness in "a couple places."
Dylan Bundy (shoulder) has been cleared for throwing.
Manny Machado is getting his first major league start at shortstop on Monday night against the Rays.
Steve Johnson is expected to join the Orioles on Tuesday.
Adam Jones went 1-for-4 with a double and a pair of strikeouts in Sunday's loss to the Rangers.
Miguel Gonzalez pitched into the sixth inning in Sunday's loss to the Rangers, yielding four runs on seven hits over 5 1/3 frames.
Gerardo Parra is not in the Orioles' lineup Sunday.
Jonathan Schoop had a night he'd like to forget in Friday's loss to the Rangers, going 0-for-4 with four strikeouts.