John Muckler, Canadian ice hockey player, coach, and manager
John Muckler (April 13, 1934 – January 4, 2021) was a professional hockey coach and executive, who last served as the general manager of the Ottawa Senators of the National Hockey League (NHL). Muckler had over 50 years of professional hockey experience as a part owner, general manager, director of player personnel, director of hockey operations, head coach, assistant coach and player. He had been a part of five Stanley Cup championships in various roles.