Not many baseball players have the best season of their careers at age 37. But that’s exactly what Boston Red Sox closer Aroldis Chapman is doing.

The hard-throwing left-hander is seventh in the majors this season with 26 saves. Of pitchers who have made at least 40 appearances this season , no one can match Chapman’s career-low 1.04 ERA.

On the latest edition of his ESPN Podcast , MLB insider Buster Olney explains why the southpaw is dominating this season.

“Apparently in spring training this year, Connor Wong was catching him in a game,” Olney begins. “And as you know, Aroldis Chapman’s command during the course of his career has been kind of spotty, right?

“But Connor Wong is catching him, and for years Aroldis Chapman’s one of those guys who, when he’s on the mound, the

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