George Seifert, American football player and coach

George Gerald Seifert (born January 22, 1940) is an American former football coach and player. He served as the head coach for the San Francisco 49ers and the Carolina Panthers of the National Football League (NFL). Seifert owned the second-greatest winning percentage in NFL history by a head coach at the time of his resignation as the 49ers head coach, second to Guy Chamberlin.