That is Belichick’s coaching philosophy, while in the NFL coordinators may come and go, the system has to remain the same.

Tedy Bruschi descibed Mayo as an “old soul.” While a player, Mayo was considered a coach on the field and many of the players called him “Bill Jr.”

Perhaps Belichick’s most difficult season was 2005 when he lost offensive coordinator Charlie Weis and defensive coordinator Romeo Crennel.

Today in the history of the New England Patriots we celebrate the birthday of the man, the myth, the legend: Ernie Adams. Ernie Adams turns turns 64 on March 31. The Pats’ Football Research Director is Bill Belichick’s trusted right hand man.

Today in New England Patriots history we say happy birthday to Charlie Weis. He was part of the Pats coaching staff for eight seasons. Weis earned three Super Bowl rings as the Patriots’ offensive coordinator for Super Bowls 36, 38 and 39. He won another ring as part of Bill Parcells’ staff when the Giants beat the Bills 20-19 in Super Bowl 25.