Replacement Ref Calls Traveling, Meant To Call False Start
Howell leads big rally for Commanders, who hold on to beat Broncos after Wilson's Hail Mary
The NFL's Referee Controversy
Tom Brady Always Wins. Even Against the Refs. - The New York Times
All seem to agree NFL officiating is appalling
Tom Brady jokes about roughing the passer call: 'I don't throw flags, I throw tablets'
Flag Football Takes Hold of Its Future – SportsTravel
Inadvertent whistle against Patriots is latest on list of NFL's controversial calls – New York Daily News
How many yellow penalty flags does a referee keep on hand for a game of football? - Quora
Before, During or After the Play When to Throw the Flag Determined by Foul Intervals