Here's a breakdown of the NFL's history using replacement refs.

A referee strike could lead to replacement officials in the NFL.

The NFL Referees Association executive director did not hold back in criticizing the league during a major labor dispute.

The NFL adopted a number of rule change proposals in Tuesday's annual league meetings at Phoenix, including ones to help ...

The NFL is floating the idea of using replacement referees with union talks stalling — again. ESPN reported Wednesday that ...

Mike Vrabel correctly argued that Jarrett Stidham's second quarter incomplete pass was a fumble. It also should have been a touchdown for the Patriots. AAron Ontiveroz / The Denver Post via Getty ...