With the recently announced expansion to Seattle, the National Hockey League will grow to 32 teams for the 2020-21 season, a 533 percent increase over the days of the Original Six. A look at the league’s mushrooming growth:
6 TEAMS: 1942-67
1942-43: Brooklyn Americans franchise folds after the 1941-42 season, leaving Boston Bruins, Chicago Blackhawks, Detroit Red Wings, Montreal Canadiens, New York Rangers and Toronto Maple Leafs.