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| # | Team | Season | W-L | Win % |
|---|---|---|---|---|
| 1 | OCT Oklahoma City Thunder | 2025-26 Basketball | 90-23 | 0.796 |
| 2 | BOS Boston Celtics | 2024-25 NBA | 75-23 | 0.765 |
| 3 | OCT Oklahoma City Thunder | 2024-25 NBA | 66-24 | 0.733 |
| 4 | OCT Oklahoma City Thunder | 2026-27 Basketball | 46-17 | 0.730 |
| 5 | SAS San Antonio Spurs | 2026-27 Basketball | 50-19 | 0.725 |
| 6 | MIL Milwaukee Bucks | 2023-24 NBA | 63-26 | 0.708 |
| 7 | BOS Boston Celtics | 2023-24 NBA | 72-31 | 0.699 |
| 8 | BOS Boston Celtics | 2025-26 Basketball | 66-30 | 0.688 |
| 9 | BOS Boston Celtics | 2026-27 Basketball | 39-18 | 0.684 |
| 10 | PHI Philadelphia 76ers | 2023-24 NBA | 64-30 | 0.681 |
| 11 | DEN Denver Nuggets | 2023-24 NBA | 72-34 | 0.679 |
| 12 | NYK New York Knicks | 2024-25 NBA | 63-30 | 0.677 |
| 13 | NYK New York Knicks | 2026-27 Basketball | 44-21 | 0.677 |
| 14 | CHA Charlotte Hornets | 2026-27 Basketball | 34-17 | 0.667 |
| 15 | DET Detroit Pistons | 2026-27 Basketball | 42-21 | 0.667 |
| 16 | CLE Cleveland Cavaliers | 2024-25 NBA | 69-39 | 0.639 |
| 17 | DET Detroit Pistons | 2025-26 Basketball | 67-38 | 0.638 |
| 18 | HOU Houston Rockets | 2025-26 Basketball | 58-33 | 0.637 |
| 19 | DEN Denver Nuggets | 2025-26 Basketball | 65-38 | 0.631 |
| 20 | CLE Cleveland Cavaliers | 2026-27 Basketball | 41-24 | 0.631 |
| 21 | DEN Denver Nuggets | 2024-25 NBA | 56-33 | 0.629 |
| 22 | CLE Cleveland Cavaliers | 2025-26 Basketball | 70-42 | 0.625 |
| 23 | NYK New York Knicks | 2025-26 Basketball | 66-40 | 0.623 |
| 24 | MIN Minneapolis Minnesota Timberwolves | 2023-24 NBA | 61-38 | 0.616 |
| 25 | LAL Los Angeles Lakers | 2026-27 Basketball | 37-24 | 0.607 |