THE COMPLETE RECORD
This profile is part of the recursive Fight Atlas graph. Open any opponent below to load that athlete’s complete professional career, then continue through every linked opponent without returning to a third-party record page.
EVERY RECORDED BOUT
Complete professional fight history, including competition before and outside UFC. Use the controls to isolate an opponent, promotion, method or result.
| Result | Date / record | Opponent | Event | Finish details |
|---|---|---|---|---|
| W | 9–5–0 after bout | Tony MustardView status and profile → | MTK MMA - Probellum | TKO (Punches)Round 1 Time 2:40 Referee Paul Crossley |
| W | 8–5–0 after bout | Ruben WolfView status and profile → | BAMMA 29 - McDermott vs. Wolf | TKO (Punches)Round 2 Time 0:52 Referee Marc Goddard |
| L | 7–5–0 after bout | Liam McGearyView status and profile → | Bellator 173 - McGeary vs. McDermott | TKO (Doctor Stoppage)Round 2 Time 1:06 Referee Dan Miragliotta |
| W | 7–4–0 after bout | Dan KoneckeView status and profile → | FCC 17 - Full Contact Contender 17 | TKO (Punches)Round 2 Time 2:50 Referee Neil Hall |
| L | 6–4–0 after bout | Kenneth BerghView status and profile → | COTT 16 - Clash of the Titans 16 | Submission (Guillotine Choke)Round 1 Time 1:02 Referee Not listed |
| W | 6–3–0 after bout | Jamie SloaneView status and profile → | BAMMA 25 - Champion vs. Champion | KO (Punch)Round 1 Time 3:58 Referee Marc Goddard |
| L | 5–3–0 after bout | Muhammed LawalView status and profile → | Rizin Fighting Federation - Saraba no Utake | KO (Punches)Round 1 Time 9:10 Referee John McCarthy |
| W | 5–2–0 after bout | Pelu AdetolaView status and profile → | BAMMA 23 - Night of Champions | TKO (Punches)Round 1 Time 1:57 Referee Mark Woodard |
| L | 4–2–0 after bout | Marcin LazarzView status and profile → | BAMMA 20 - McDermott vs. Lazarz | Decision (Unanimous)Round 3 Time 5:00 Referee Leon Roberts |
| W | 4–1–0 after bout | Oli ThompsonView status and profile → | BAMMA 17 - Fletcher vs. Brightmon | KO (Punches)Round 1 Time 1:43 Referee Mark Woodard |
| W | 3–1–0 after bout | Paul BennettView status and profile → | Stoke Fight Factory - Rage in the Cage 4 | KO (Punch)Round 1 Time 1:09 Referee Not listed |
| W | 2–1–0 after bout | Shaun LomasView status and profile → | Stoke Fight Factory - Rage in the Cage 3 | Decision (Unanimous)Round 3 Time 5:00 Referee Neil Hall |
| W | 1–1–0 after bout | Jason TyldesleyView status and profile → | AMFC 2 - Alpha Male Fighting Championships 2 | TKO (Punches)Round 1 Time 1:20 Referee Not listed |
| L | 0–1–0 after bout | Thomas DenhamView status and profile → | BAMMA 12 - Wallhead vs. Veach | Submission (Rear-Naked Choke)Round 2 Time 3:58 Referee Mark Woodard |
Fight Atlas republishes factual bout results, not source articles or photography. Belt markers appear only when championship status is confirmed by an official promotion source; unverified bouts are never inferred. The matched source name for this profile is Brett McDermott.
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14 professional bout rows are displayed from the source record. 14 unique opponent identities have a stable source ID and an internal Fight Atlas route. Every opponent row has a verified identity link.
Source and correction standard
The complete professional history is retrieved from the established public fight-record source and cached for up to 24 hours. Current-roster status remains separate from historical career data and does not imply retirement.