John Combs vs William Tackett
John Combs and William Tackett have met 3 times in recorded professional competition. William Tackett leads the series 2–1.
| Year | Result | Method | Event |
|---|---|---|---|
| 2021 | William Tackett | Referee Decision | F2W 160 |
| 2021 | William Tackett | Decision | Fight to Win 160 |
| 2019 | John Combs | — | 2nd ADCC North American Trials |