(This story has been updated to include experimental rules announced on Tuesday that will be tested in the Atlantic League.) Major League Baseball is once again preparing to roll out a slate of ...

Robot umpires are officially knocking on the door of MLB. Commissioner Rob Manfred told The Athletic's Evan Drellich on Wednesday that the league will test an automated ball-strike challenge system in ...

Scott Servais, now manager of the Seattle Mariners but a catcher during his playing career, remembers when a member of the front office explained to him just how valuable catchers can be in tipping a ...

NEW YORK (AP) — Baseball’s top minor leagues are switching to a challenge system full-time for their test of robot umpires. Major League Baseball has been experimenting with the automated ball-strike ...

Hawk-Eye tracking cameras are positioned around the stadium. Five cameras are used to track pitches. Additional cameras around the stadium are used to track player position and ball location. Major ...