Buddy Ryan, the father of Rob Ryan were both coaches in which national sports league?
Buddy Ryan James David "Buddy" Ryan (February 17, 1931 – June 28, 2016) was an American football coach in the National Football League (NFL) and American Football League (AFL). During his 35-season coaching career, Ryan served as the head coach of the Philadelphia Eagles and Arizona Cardinals, and the defensive coordinator of the Chicago Bears and Houston Oilers of the NFL.
Rob Zettler Rob Zettler (born March 8, 1968) is a Canadian former professional ice hockey defenceman who played in the National Hockey League (NHL) for 14 seasons with the Minnesota North Stars, San Jose Sharks, Philadelphia Flyers, Toronto Maple Leafs, Nashville Predators and Washington Capitals. He is currently an assistant coach for the San Jose Sharks of the National Hockey League.