Chuck O'Neil
13–8–0 · Welterweight · Age 40 · 1 UFC fights
Skill (today)
+0.02
Uncertainty (σ)
1.61
As of
2026-09-13
Skill trajectory
Line: estimated skill after each fight. Band: ±1σ uncertainty.
Fight ledger
| Date | Opponent | Result | Method | Event | Model P(win), pre-fight |
|---|---|---|---|---|---|
| 2016-11-04 | Will Santiago | Loss | TKO | CES 39: O'Neill vs. Santiago | |
| 2016-08-12 | Roy Jones | Win | TKO | CES 37: Summer Gold | |
| 2016-03-11 | Dennis Olson | Win | DEC | CES 33: Soukhamthath vs. Nordby | |
| 2015-10-30 | Daniel Vizcaya | Loss | SUB | CES 31 | |
| 2015-06-12 | Dominique Steele | Loss | DEC | CES 29 | |
| 2015-01-30 | Manny Walo | Win | TKO | CES 27 | |
| 2014-10-10 | Ricardo Funch | Win | SUB | CES 26 | |
| 2014-03-14 | Roger Carroll | Win | DEC | CES 22 | |
| 2013-11-15 | Chris Woodall | Win | TKO | CES 19.5: November To Remember | |
| 2013-08-09 | Gil De Freitas | Loss | TKO | CES 18: Gold Rush | |
| 2013-06-07 | Ralph Johnson | Win | SUB | CES 17: New Blood | |
| 2012-12-07 | Keith Jeffrey | Win | DEC | CES 14: Battle Tested | |
| 2012-06-02 | Kevin Nowaczyk | Loss | DEC | HFC 11: O'Neil vs. Nowaczyk | |
| 2011-10-15 | Marcus Davis | Win | DEC | W-1 MMA 7: Reloaded | |
| 2011-06-04 | Chris Cope | Loss | U-DEC | The Ultimate Fighter 13 Finale | |
| 2011-03-01 | Tony Ferguson | Loss | TKO | The Ultimate Fighter Season 13 | |
| 2011-02-23 | Zach Davis | Win | DEC | The Ultimate Fighter Season 13 | |
| 2011-02-17 | Javier Torres | Win | SUB | The Ultimate Fighter Season 13 | |
| 2011-02-12 | Zach Davis | Loss | SUB | The Ultimate Fighter Season 13 | |
| 2010-07-30 | Anthony Kaponis | Win | SUB | Cage Titans 1 | |
| 2010-05-06 | Damian Vitale | Win | TKO | Bellator 17 |