Boston Celtics as significant as they played on Christmas in 2017. "List of the last five seasons completed by the Celtics. For the full season-by-season history, see List of Boston Celtics seasons." "Note: GP = Games played, W = Wins, L = Losses, % = Winning Percentage"; The Celtics have an NBA record 17 Championships including 8 in a row, and 11 championships in 13 years. They also have 52 playoff appearances. The Naismith Memorial Basketball Hall of Fame have 40 enshrined players who played for the Celtics, and the franchise has retired 22 jersey numbers, more than any other American sports
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