An NFL coach must win both challenges in order to gain a third.
If a NFL Coach wins the challenged play, he still loses one of his two challenges. If both challenges succeed, then the team is awarded a third challenge.
Rex Ryan
An NFL coach can't be an NFL player and a Coach.
NFL Challenge was created in 1985.
NFL Challenge happened in 1985.
Can a nfl owner coach his own
NFL Head Coach happened in 2006.
Which coach became the winningest coach in NFL history while with the Dolphins
That's called the challenge flag, each coach gets to throw that flag in their sock in order to signal to the refs that they disagree with the call on the field and would like them to take another, closer, look at the play. If the challenge succeeds, the play is reversed. If the challenge fails, the coach loses a timeout. If the team has no more time outs then they cannot challenge a play.
NFL Head Coach was created on 2006-06-20.
The Cardinals' first season in the NFL was 1920 and their head coach was Paddy Driscoll. He was head coach from 1920-1922.