Umpire Ryan Additon watches as a call is challenged using MLB's ABS challenge system during the third inning of a spring training baseball game between the Miami Marlins and the Houston Astros ...

MLB's Automated Ball-Strike challenge system is again part of spring training, but unlike last year, it will remain once the regular season starts. It's about to profoundly change baseball. K.C.

For years, college baseball’s umpire evaluation process lagged behind the data boom reshaping the sport around it. Coaches, players and analysts had Trackman. Umpires, at least during the regular ...

When a new baseball season opens Wednesday night in San Francisco, with the home Giants hosting the New York Yankees, lifelong fans of the national pastime should brace for a dramatic change: the ...

Players can challenge ball-strike calls now, but it may have come at a cost for viewers.

A mask hangs on the fence at the famed Harry Wendelstedt Umpire School not long before the final graduating class called its last out. Katie Woo / The Athletic ORMOND BEACH, Fla. — If it weren’t for a ...

NEW YORK (AP) — Robot umpires are coming to the big leagues this year. The Automated Ball/Strike System will be introduced in the form of a challenge system in which the human umpire makes each call, ...

New York — Robot umpires are coming to the big leagues this year. The Automated Ball/Strike System will be introduced in the form of a challenge system in which the human umpire makes each call, which ...