Buddy Ryan, the father of Rob Ryan were both coaches in which national sports league?
Rob Ryan Robert Allen Ryan (born December 13, 1962) is an American football coach in the National Football League (NFL). He has served as a defensive coordinator or coach for seven different NFL teams, and served as the linebackers coach for the New England Patriots when they won both Super Bowl XXXVI and Super Bowl XXXVIII. He is the son of former defensive coordinator and head coach Buddy Ryan and the twin brother of Rex Ryan.
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.