1938–39 NHL season

The Boston Bruins were the Stanley Cup winners as they beat the Toronto Maple Leafs four games to one in the final series.

The team had requested a shift to St. Louis, but this was rejected after considerable discussion, resulting in the Maroons suspending operations for the season.

It limited the number of amateur players which could be signed to contracts, and stipulated that both organizations use the same playing rules and recognize each other's suspensions.

[1] Prior to the start of the season, the Boston Bruins sold their star goaltender, Tiny Thompson, who had just won a record fourth Vezina Trophy, to the Detroit Red Wings.

The fans thought Art Ross was crazy, but soon they were applauding rookie Frank Brimsek, who would go on to back-stop the Bruins to a first overall finish and a Stanley Cup victory.

Chicago, after its Stanley Cup win the previous season, began floundering at mid-season and owner Frederic McLaughlin was displeased.

The New York Americans, up in third place at mid-season, proceeded to fall into a big slump in the second half and though they finished fourth, they were below .500 and had the worst defence in the league.