 Born in Toronto, Ontario, Broderick played junior hockey with the Toronto Marlboros, with whom he recorded record-tying nine shutouts in the 1965-57 season, tying a record previously set by Glenn Hall.He was loaned to the Montreal Canadiens by the Marlboros to replace Jacques Plante, and played his one and only National Hockey League in a 6-2 win over his hometown Toronto Maple Leafs.He spent one more season with the Marlboros before playing senior hockey with the Oakville Oaks.