Braves shortstop Orlando Arcia hit a ground ball down the third base line to lead off the bottom of the sixth inning, which third base umpire Chad ... pretty clearly signals foul on the play ...

Major League Baseball has the Automated Ball ... Marauders Low-A Southeast League. Plate umpire Nelson Fraley wears an earpiece that gets signals from a radar that call the ball and strikes ...

A computerized system that calls balls and strikes is being tested during Major League Baseball spring training ... a challenge system in which the human umpire makes each original call.

A computerized system that calls balls and strikes is being tested during Major League Baseball spring training ... a challenge system in which the human umpire makes each original call.

Major League Baseball is preparing the automated ball ... Each team will start a game with two challenges it can issue to an umpire, who will then rely on the automated ball-strike system to ...