The 1939 Stanley Cup Championship series featured the Boston Bruins and the Toronto Maple Leafs. The series was a best-of-seven format, and the Bruins ended up winning the series 4-1. In the first three games, the Bruins won two and the Maple Leafs won one. The Bruins then won the fourth game, and the fifth game was a 6-4 win for Boston. The Bruins clinched the Stanley Cup with their win in the fifth game. The Maple Leafs were led by Syl Apps and Turk Broda, while the Bruins had the help of Milt Schmidt and Bobby Bauer. It was the first Stanley Cup Championship for the Bruins in their history.
The 1939 World Series was a matchup between the New York Yankees and the Cincinnati Reds. The Yankees were the defending champions and were looking to win their fourth consecutive title. The Reds, however, were determined to end the Yankees' streak. The series went to a full seven games, with the Yankees ultimately coming out on top. They won the series 4-0, with the final game being a decisive 13-5 victory. The Yankees were led by their star players, Joe DiMaggio and Lou Gehrig, who both had big games in the deciding contest. The Reds put up a good fight, but the Yankees' talent and experience ultimately proved too much. With the win, the Yankees became the first team in MLB history to win four consecutive World Series titles.