MLB umpires may soon take to mic to explain replays – The Denver Post
Replay review in gridiron football - Wikipedia
NFL Replay Officials NFL Football Operations
Behind the scenes at the NFL's new replay review center in New York - Sports Illustrated
The NFL's Review Center in New York Is the Solution to the Pass Interference Problem - The Spax
NFL Rule Change: Officials Now Able To Replay Failed Fourth Down Attempts
NFL owners vote to expand rules surrounding instant replay
NFL Owners Vote to Centralize Instant Replay in New York Command Center, News, Scores, Highlights, Stats, and Rumors
Patriots propose changing extra point distance from 20 yards to 43 yards – New York Daily News
On Further Review, the NFL's Instant Replay is Finally Instant