Chapman thinks he’ll be able to pitch in a couple of days after walking off the mound with a back spasm in the eighth inning.

Red Sox reliever Aroldis Chapman left Sunday's game with a back injury. Boston was still able to close out a one-run win.

Aroldis Chapman didn’t look like his dominant self in the eighth inning Sunday against the Dodgers, and after facing just three batters he came out with an apparent injury.