“People think we’re a bunch of angry old guys who can’t wait for that last undefeated team to get beat. We’re very proud of our record, and if somebody breaks it, I’m going to call that coach and congratulate them. Until they do, it’s our record, and we’re proud of it.” Don Shula died as the winningest coach in pro football history, and the only person to coach an NFL team to a perfect season.