NFL head of instant replay Mark Butterworth explained why two crucial calls during the Ravens-Steelers game were called as such.

Few rules in sports, if any, are more controversial than the NFL's "catch" rule. It's a talking point nearly every week. Last week, during the Ravens vs. Steelers game, Baltimore appeared to have a touchdown on a pass to tight end Isaiah Likely,

When the NFL first reintroduced replay review 26 years ago, it started with a limited range of reviewable plays. Over time, the list of plays that could be corrected by replay review has expanded. Here's what typically happens.

ORLANDO, Fla. -- NFL owners voted Tuesday to use a centralized system to help referees in stadiums make decisions on replay reviews. Officially known as Rules Proposal 9, the centralized replay system will feature feeds from every game as well as an ...