WATCH: Bill Belichick emphatically spikes challenge flag right in front of an official - CBS Boston
Here's what Bill Belichick said in Patriots' locker room after 29-0 shutout of Lions - CBS Boston
The Philadelphia Eagles have won Super Bowl LII
NFL fans amused by Bill Belichick's sassy challenge flag throw – NBC Boston
Dolphins' Tyreek Hill rips Patriots fans over remarks: 'They are real nasty'
Highlight] Bill Belichick pulls the challenge flag out of his sock and angrily spikes it : r/nfl
Bill Belichick Throws Challenge Flag Like A Petulant Child Toward Ref's Face
Bill Belichick's frustration after long season comes out as he throws down the sideline phone
Bill Belichick threw a challenge flag when the Patriots were well on their way to a win