The Texas Rangers placed right-hander Tyler Mahle on the 15-day injured list Sunday with fatigue in his throwing shoulder. The move is retroactive to Thursday and right-hander Kumar Rocker was called up from Triple-A Round Rock to take his place on the roster.

The Rangers officially placed right-hander Tyler Mahle on the 15-day injured list due to right shoulder fatigue. The placement is retroactive to June 12. Right-hander Kumar Rocker was called up from Triple-A and will start for the Rangers today in what was initially Mahle’s turn in the rotation.

In a perfect world, Kumar Rocker probably wouldn’t have been starting for the Rangers on Sunday afternoon. The Rangers entered the day with the best rotation in the American League and one of the best of that group,