Detroit Tigers manager AJ Hinch isn't calling Grayson Greiner's situation a setback, but there is a delay in the backup catcher's return from the injured list.
Greiner hasn't played during his rehab assignment with Triple-A Toledo since Thursday, his second game for the Mud Hens. He was placed on the 10-day injured list May 12 with a left hamstring strain.
"Grayson had a little discomfort a couple days ago when he played, when he ran around the bases," Hinch said Sunday. "He's been given a couple days off to have any of that soreness subside.