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
Original Celtics fourth place, while first-half winner Cleveland slumped badly to fifth place. Cleveland’s fall was precipitated by the hasty mid-season departure of star Honey Russell, who was exiled to Chicago after a disagreement with team owner Max Rosenblum. The Celtics easily disposed of the weakened Cleveland team in three straight games to take the ABL championship. In 1926, the American Basketball League, developed by sports entrepreneur George Preston Marshall, effectively railroaded the team into joining its ranks by prohibiting member teams from playing against them. The Original Celtics responded by winning the next two ABL titles. During their first full season