As the baseball world raged around him Sunday at Dodger Stadium, baseballs flying at Jurickson Profar in left field, beer cans at Fernando Tatis Jr. in right, the man squarely in the middle of the mayhem looked anything but a portrait of tension and stress.

The Wild Card Round has ended and the stage is set for the National League Division Series, which features not one but two storied rivalries — Mets–Phillies and Dodgers–Padres. If the regular season match-ups are any indication,