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.

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.

Aroldis Chapman, the Boston Red Sox’ All-Star closer, left Sunday’s game with an injury, but his teammates stepped up to help close out the Los Angeles Dodgers 4-3 to take the weekend series from the reigning World Series champions.