Buddy Ryan, father of Buffalo Bills coaches Rex and Rob, has passed away at 82.
Related: College basketball legend Pat Summitt has passed away
Buddy Ryan is most known for heading the 46 defense for the 1985 Chicago Bears, arguably the greatest defense of all time. Ryan won two Super Bowls for the Bears and New York Jets (1969), respectively.
He was the head coach for the Philadelphia Eagles and Arizona Cardinals, registering a 55-55-1 record over his career.
No cause was given for the coaching legend's death.