Quinn Wolcott knows what we're talking about. He was the first base ump in Tuesday's Angels - Rangers game and he had one of ...

These human umpires often took objections from players ... The ABS system isn't all that complicated, though it will surely look funny to MLB fans who aren't used to it. ABS has been used in ...

While MLB's ABS challenge system (automated balls and strikes) is still in the testing phase this spring training, we're already seeing how umpires respond to the system on the field. And credit ...