Don Ettinger

Donald Nesbit Ettinger was an American professional football player. He was born in Independence, Missouri. Nicknamed "Red Dog", Ettinger played college football for the University of Kansas and later the National Football League 's New York Giants. He finished his career in Canadian football, where he was a four-time All-Star and won the 40th Grey Cup.
Ettinger is credited for inventing the blitz. As of the 2025 NFL season, he is the only player from William Chrisman High School to play in the NFL.