New York Giants Y.A. Tittle squats on the field after being shaken up during a game against the Pittsburgh Steelers in Pittsburgh, in this Sept. 20, 1964 photo. | AP file photo
These are new football helmets that were given to a group of youth football players from the Akron Parents Pee Wee Football League in Akron, Ohio. | AP photo
These are new football helmets that were given to a group of youth football players from the Akron Parents Pee Wee Football League in Akron, Ohio. | AP photo
Former NFL coach Marv Levy.
These are new football helmets that were given to a group of youth football players from the Akron Parents Pee Wee Football League in Akron, Ohio. | AP photo
When Marv Levy first started playing football, “concussions” was a word he heard about as often as “face mask.” The South Side native and NFL coaching legend wore a leather helmet and precious little padding. Those were the days when the Chicago Cardinals coexisted with …