| Age | 30 |
|---|---|
| Gender | Male |
| Height | 5' 10" |
| Weight Class | Welterweight |
Bill Duncan is a MMA fighter with a amateur fight record of 4 wins, 0 losses and 0 draws
| Amateur Record: | 4-0-0 (Win-Loss-Draw) |
|---|---|
| Career Length | 1 year |
| Rounds Fought | 5.3 |
| Avg. Fights/Year | 4.0 |
| Longest Layoff | 5 months, 22 days |
| Quickest Turnaround | 2 months, 4 days |
| Date | Opponent | Weightclass | Method | Round | Time | |||
|---|---|---|---|---|---|---|---|---|
| | 09/13/2025 | W (3-0-0) | Jailyn Jones (2-0-0) | WW (168.4 vs. 168.8) | Submission (Rear Naked Choke) ShamrockFC 367 | 2 | 00:14 | |
| | 03/22/2025 | W (2-0-0) | David Frazier (2-0-0) | WW (167.4 vs. 169.8) | Submission (Guillotine Choke) Shamrock FC 362 | 1 | 02:46 | |
| | 01/18/2025 | W (1-0-0) | Jamison Hartweger (1-4-0) | WW (168.4 vs. 169.0) | TKO/RSC (Referee Stoppage from Strikes) Shamrock FC 01/18/2025 | 1 | 00:47 | |
| | 08/16/2024 | W (0-0-0) | Antonio Munoz (0-0-0) | WW (165.7 vs. 170.4) | Decision (Unanimous Decision) Nemesis Fighting Alliance 08/16/2024 | 3 | 03:00 |
| * Bouts marked with an 'Official' logo denote results which have been verified by an ABC-recognized athletic commission * Bouts marked with an (*) are considered exhibition bouts and do not count towards the fighter's record * Weights marked with an (*) denote those over the limit for the weight class |