LONDON — John McEnroe — he of “You cannot be serious!” call-arguing fame — is quite all right with Wimbledon’s latest of many steps into the modern era, choosing technology over the human touch to ...

A lively argument broke out in the Atlantic League recently, all about “robot umpiring” and the computerized calling of balls and strikes. It was just like old times, one of the managers letting off ...

Major League Baseball is preparing to share the strike zone with machines. Starting next season, pitchers, hitters, and catchers—but no one in the dugout—will be allowed two challenges a game. A tap ...