Celtics–Pistons rivalry Celtics–Pistons rivalry The Celtics–Pistons rivalry is a National Basketball Association (NBA) rivalry between the Boston Celtics and the Detroit Pistons. The two teams played each other in the NBA playoffs five times from 1985–1991, with Boston winning in 1985 and 1987, and Detroit winning en route to back-to-back NBA Finals appearances in 1988 and 1989, and 1991. The rivalry peaked in the late 1980s, featuring players such as Larry Bird, Kevin McHale, Robert Parish, Isiah Thomas, Joe Dumars, and Bill Laimbeer. Boston wins series 4–2. The Celtics established themselves earlier in the decade, with 4 Eastern Conference titles from 1981–86.
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