Ernie Ladd was six-foot-nine and weighed 312 pounds. He wrestled professionally and liked to play ping-pong and chess in his spare time. He spent eight years with the Chargers, Oilers and Chiefs, tore an Achilles' tendon and was out of the league before he was 30.
The American Football League was the great melting pot, as far as pro football was concerned. But you were probably better off if you kept to the middle.