The Athletic Catchers used to learn the umpire. With robo-umps, now they're studying Jose Altuve and Aaron Judge
Some thought robo-umps would kill pitch framing. Instead, catchers are making it a weapon, learning each hitter's zone to use against them.
Some thought robo-umps would kill pitch framing. Instead, catchers are making it a weapon, learning each hitter's zone to use against them.