Belichick is one of the most successful coaches in NFL history

winning six Super Bowls with the Patriots 

He is also the third winningest coach in NFL history, with 333 wins.

He is also the only coach in NFL history to win a Super Bowl with five different quarterbacks.

Belichick has not said whether he plans to coach again

He has changed the way the game is played with his defensive schemes 

No matter what he does, he will be remembered as one of the greatest coaches in NFL history 

Belichick's time with the Patriots has come to an end. It is the end of an era for the team and for the NFL.