MLB looking at electronic system for calling pitches

Kansas City Royals catcher Cam Gallagher uses a wrist-worn device used to call pitches during the sixth inning of a spring training baseball game against the Seattle Mariners, Tuesday, March 29, 2022, in Peoria, Ariz. The MLB is experimenting with the PitchCom system where the catcher enters information on a wrist band with nine buttons which is transmitted to the pitcher to call a pitch. (AP Photo/Charlie Riedel)

Seattle Mariners catcher Tom Murphy wears a wrist-worn device used to call pitches as he catches a ball during the sixth inning of a spring training baseball game against the Kansas City Royals, Tuesday, March 29, 2022, in Peoria, Ariz. The MLB is experimenting with the PitchCom system where the catcher enters information on a wrist band with nine buttons which is transmitted to the pitcher to call a pitch. (AP Photo/Charlie Riedel)

GLENDALE, Ariz. — Imagine Clayton Kershaw on the mound in Game 7 of the World Series, peering in at his catcher at a big moment. And his catcher flashes … no sign at all.