By Liam Llewellyn Bill Belichick has written a heartfelt letter to all the fans of the New England Patriots in a rare emotional statement from the former head coach. The 71-year-old’s historic 24-year tenure with the team came to an end following a miserable NFL season. He guided his team to just four wins, the worst record of his Patriots career, and they finished bottom of the AFC East. After taking some time to contemplate his future, Belichick decided to leave the franchise he turned into the NFL’s most successful team. He has since written an emotional tribute, in which he credited the fa…