Boston Red Sox closer Aroldis 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 of Sunday’s game against the

Aroldis Chapman has become absolutely indispensable for the Boston Red Sox, and on Sunday, he had a bit of an injury scare. After throwing uncharacteristically slow (about four miles an hour less velocity than average) and walking his first two batters in the eighth inning against the Los Angeles Dodgers,