Players have praised the Nationals' new Trajekt Arc pitching machine, which some of them had asked for last season.
Nestor Cortes got behind the plate in a batting cage and watched an 8-foot-high, 1,200-pound robot spit out fastballs, cutters and sweepers just like the ones spinning off the fingertips of his left ...
A holographic version of Miami Marlins starting pitcher Sandy Alcantara winds up to fire a fastball on the Trajekt ARC pitching machine Hours before the first pitch of a recent MLB game, Chicago Cubs ...
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