1972/73 | 1973/74 | 1974/75 | 1975/76 | 1976/77 | 1977/78 | Franchises: Alberta Oilers (1972–1973), Edmonton Oilers (1973–1979) | Chicago Cougars (1972–1975) | Cincinnati Stingers (1975–1979) | Cleveland Crusaders (1972–1976) | Denver Spurs (1975), Ottawa Civics (1976) | Houston Aeros (1972–1978) | Indianapolis Racers (1974–1979) | L...