1975–76 Boston Celtics season franchise history. The Celtics had a first round bye. (1) Boston Celtics vs. (5) Buffalo Braves: "Celtics win series 4–2" (1) Boston Celtics vs. (2) Cleveland Cavaliers: "Celtics win series 4–2" (E1) Boston Celtics vs. (W3) Phoenix Suns: "Celtics win series 4–2" 1975–76 Boston Celtics season The 1975–76 Boston Celtics season was their 30th in the National Basketball Association (NBA) and concluded with their 13th championship, defeating the Phoenix Suns in six games in the 1976 NBA Finals. The Celtics lost Don Chaney to the American Basketball Association before the 1975–76 season. To fill the gap in the backcourt they
2010–11 Boston Celtics season Conference standings during the All-Star break. However, after center Kendrick Perkins, who was working his way back from a torn ACL in last year's Finals, was traded to the Oklahoma City Thunder mid-season, the Celtics then started to play mediocre basketball after the trade, winning just 15 of their final 27 games. Still, they managed a 56–26 record and enter the playoffs as the 3rd seed in the Eastern Conference. They swept the New York Knicks, in four games in the first round to advance to the Conference Semifinals where they faced the Miami Heat, the team the Celtics defeated