Astros signed RHP Alberto Arias to a minor league contract.
Astros sent RHP Alberto Arias outright to Triple-A Oklahoma City.
Astros transferred RHP Alberto Arias from the 15-day disabled list to the 60-day disabled list.
Alberto Arias underwent successful shoulder surgery Friday.
Alberto Arias is scheduled to undergo arthroscopic surgery on his right shoulder Friday.
Alberto Arias has experienced a setback with his ailing right shoulder.
Alberto Arias (shoulder) had a successful bullpen session Tuesday at extended spring training.
Astros placed RHP Alberto Arias on the 15-day disabled list, retroactive to March 22, recovering from shoulder surgery.
Alberto Arias (shoulder) played catch Thursday for the first time since getting a cortisone shot last week.
The MRI on Alberto Arias' shoulder revealed only inflammation.
Alberto Arias (shoulder) is scheduled for an MRI on Wednesday.
Alberto Arias was given a cortisone shot in his sore right shoulder Friday by team doctors.
Alberto Arias will have his surgically-repaired right shoulder examined by Astros physician Tom Mehlhoff on Friday morning.
Alberto Arias is feeling discomfort in his surgically-repaired right shoulder.