AP Exclusive: Umps may soon take to mic to explain replays (Yahoo Sports)

Adrian Gonzalez dives headfirst into home, seems to beat the tag by Cubs catcher Willson Contreras, but is called out. Safe, shout fans at Dodger Stadium who see replays on the board. Umpires go to their headsets for a video review, and nearly three minutes later, the signal comes: Out!