The NBA Belt · rivalry
Boston Celtics vs. Oklahoma City Thunder
21Belt meetings
13Celtics wins
8Thunder wins
9Title changes
Boston Celtics and Oklahoma City Thunder have met 21 times with the NBA belt on the line, from December 19, 1967 to March 25, 2026. The belt changed hands in 9 of those games. Boston Celtics lead the belt series 13–8.
| Belt game | Date | Result | |
|---|---|---|---|
| 1,787 | Dec 19, 1967 | Boston Celtics beat Seattle SuperSonics 118–114 | Defense |
| 1,826 | Feb 24, 1968 | Boston Celtics beat Seattle SuperSonics 141–137 | Title change |
| 2,013 | Feb 6, 1970 | Boston Celtics beat Seattle SuperSonics 127–117 | Title change |
| 2,083 | Dec 26, 1970 | Seattle SuperSonics beat Boston Celtics 124–117 | Defense |
| 2,361 | Dec 23, 1973 | Boston Celtics beat Seattle SuperSonics 96–95 | Defense |
| 2,525 | Nov 26, 1975 | Seattle SuperSonics beat Boston Celtics 110–109 | Title change |
| 2,570 | Feb 27, 1976 | Boston Celtics beat Seattle SuperSonics 122–118 | Defense |
| 2,668 | Feb 25, 1977 | Boston Celtics beat Seattle SuperSonics 102–92 | Title change |
| 2,923 | Jan 20, 1980 | Seattle SuperSonics beat Boston Celtics 108–106 | Title change |
| 2,934 | Feb 17, 1980 | Seattle SuperSonics beat Boston Celtics 109–108 | Defense |
| 3,427 | Jan 23, 1985 | Seattle SuperSonics beat Boston Celtics 107–97 | Title change |
| 5,218 | Dec 10, 2003 | Boston Celtics beat Seattle SuperSonics 126–112 | Defense |
| 5,313 | Nov 21, 2004 | Boston Celtics beat Seattle SuperSonics 102–83 | Title change |
| 5,322 | Dec 11, 2004 | Boston Celtics beat Seattle SuperSonics 98–84 | Title change |
| 5,647 | Dec 27, 2007 | Boston Celtics beat Seattle SuperSonics 104–96 | Defense |
| 5,843 | Dec 4, 2009 | Boston Celtics beat Oklahoma City Thunder 105–87 | Defense |
| 6,065 | Feb 22, 2012 | Oklahoma City Thunder beat Boston Celtics 119–104 | Defense |
| 6,185 | Mar 10, 2013 | Oklahoma City Thunder beat Boston Celtics 91–79 | Defense |
| 7,120 | Nov 14, 2022 | Boston Celtics beat Oklahoma City Thunder 126–122 | Defense |
| 7,489 | Mar 12, 2026 | Oklahoma City Thunder beat Boston Celtics 104–102 | Defense |
| 7,495 | Mar 25, 2026 | Boston Celtics beat Oklahoma City Thunder 119–109 | Title change |