NFL officiating, replay review in good hands with Al Riveron
NFL's head of officiating will make all replay decisions - NBC Sports
Behind-the-scenes with NFL sideline technology: Microsoft and Bose power team communication – GeekWire
We're not perfect, but we're working at it': An inside look at the Big 12's Replay Operations Center
History of Instant Replay
NFL Replay Officials NFL Football Operations
Wonderful Addition' or 'Mess,' Video Replay Heads to M.L.S. - The New York Times
1,979 Nfl Replay Stock Photos, High-Res Pictures, and Images - Getty Images