2009–10 Dallas Mavericks season Game log December

| Game | Date_ | Team | Score | High_points | High_rebounds | High_assists | Location_Attendance | Record |
|---|---|---|---|---|---|---|---|---|
| 28 | December 20 | Cleveland | W 102–95 (OT) | Tim Thomas (22) | Erick Dampier (10) | Jason Kidd (11) | American Airlines Center 20,346 | 20-8 |
| 29 | December 22 | Portland | L 81–85 (OT) | Dirk Nowitzki (27) | Erick Dampier (15) | Jason Kidd (6) | American Airlines Center 19,863 | 20-9 |
| 30 | December 26 | Memphis | W 106–101 (OT) | Jason Terry (23) | Erick Dampier (10) | Jason Kidd (10) | American Airlines Center 20,195 | 21-9 |
| 31 | December 27 | @ Denver | W 104–96 (OT) | Drew Gooden (19) | Dirk Nowitzki (11) | Jason Kidd (9) | Pepsi Center 19,756 | 22-9 |