The Minnesota Twins placed right-hander Tyler Mahle on the 15-day injured list Sunday due to right shoulder inflammation.
He exited Saturday night's start against the Chicago White Sox in the third inning with shoulder fatigue.
Earlier Saturday, the team had reinstated Mahle from the injured list, where he landed Aug. 20 with the same condition.
Mahle, 27, is 1-1 with a 4.41 ERA in four starts since being acquired in a