The 2014–15 Boston Celtics season was the 69th season of the franchise in the National Basketball Association (NBA)., The Boston Celtics finished the regular season with a 40–42 won-loss record, which was the 2nd best in the Atlantic division. On March 9, 2015, the Celtics passed the previous season's win total of 25 with a 100–90 win over the Miami Heat. On April 13, 2015, the Celtics qualified for the playoffs for the 7th time in the last 8 seasons and for the first time since 2012–13. Their season ended after being swept in the first round playoff series by the Cleveland Cavaliers.