By placing first, the Senators had a bye to the NHL Championship round against the second-place Maroons who had defeated the Pittsburgh Pirates. At home in the first game, the Maroons tied the Senators 1–1. Former Senator Punch Broadbent scored at 8 minutes of the second period to put the Maroons ahead. The lead lasted until King Clancy tied the game with ten seconds left. In the second game, held at Ottawa, the Maroons took the series with a 1–0 shutout victory to win the NHL championship. Babe Siebert on an individual rush, scored off his own rebound at the six-minute mark of the second period. Cy Denneny appeared to tie the score a minute later, but the play was off-side. The Maroons held off the attack of the Senators the rest of the way in front of a record attendance of 10,525.