In the next season, Cecil played in all of Boston's 44 games again. He made three shutouts and he had a 2.19 goals-against average. Thompson made much less shutouts and a much higher goals-against average because the rules were changed so that players were allowed to pass forward in the attacking area. That season, Boston won all but six games, finishing with a 38–5–1 record, which is the highest-ever winning percentage of any team in the NHL. In the playoffs, they lost two games in a row for the first time in that season. The lost the Stanley Cup finals against the Montreal Canadiens. Earlier in the playoffs, his streak of winning his first seven games was ended. It remains the longest winning streak to start a playoff career. Thompson won his first out of four Vezina Trophies that season.