Lightweight · Men
United Kingdom
American Top Team
debut 2010
Chris Duncan
“The Problem”
United Kingdom
American Top Team
debut 2010
Elo
1,820
peak 1,877 · 6 Dec 2025
57 below it
15-3pro record
1L
current streak
1,875best win, Elo
1,322average opponent
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born 10 May 1993
70.0" / 71.5"
height / reach
Elo history
Hover for the fight at that point; dots are wins and lossesRecord
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–
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Rating by method
KO1,415
Sub1,423
Dec1,314
Best wins
By the opponent's Elo on the night-
Mateusz Rębecki
Decision R3 · 2 Aug 2025 · Ultimate Fighting Championship
1,875
-
Terrance McKinney
Submission R1 · 6 Dec 2025 · Ultimate Fighting Championship
1,708
-
Yanal Ashmouz
Decision R3 · 22 Jul 2023 · Ultimate Fighting Championship
1,696
-
Bolaji Oki
Submission R1 · 28 Sep 2024 · Ultimate Fighting Championship
1,660
-
Jordan Vucenic
Submission R2 · 22 Mar 2025 · Ultimate Fighting Championship
1,644
Losses
Newest first
Fight history
30 bouts, newest first; amateur bouts are shaded. Hover a heading for what it means.| # | Date | Result | Opponent | Weight class | Method | Round | Score | Elo | ± | Opp Elo | Odds | Event |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 30 | 4 Apr 202632.9 yrs | L15-3 |
 Renato Moicano
21-7-1 · 36.9 yrs
|
Lightweight | SubRear Naked Choke | R28:14 | 0.00 | 1,877→1,820 | -58 | 2,001 | -192→-152 | UFC Fight Night 272: Moicano vs. Duncan Ultimate Fighting Championship |
| 29 | 6 Dec 202532.6 yrs | W15-2 |
 Terrance McKinney
17-7 · 31.2 yrs
|
Lightweight | SubAnaconda Choke | R12:30 | 1.00 | 1,816→1,877 | +61 | 1,708 | -197→-121 | UFC 323: Dvalishvili vs. Yan 2 Ultimate Fighting Championship |
| 28 | 2 Aug 202532.2 yrs | W14-2 |
 Mateusz Rębecki
20-2 · 32.8 yrs
|
Lightweight | DecisionUnanimous | R315:00 | 0.56* | 1,783→1,816 | +33 | 1,875 | +170→+183 | UFC on ESPN 71: Taira vs. Park Ultimate Fighting Championship |
| 27 | 22 Mar 202531.9 yrs | W13-2 |
 Jordan Vucenic
13-3 · 29.1 yrs
|
Lightweight | SubGuillotine Choke | R28:42 | 1.00 | 1,713→1,783 | +70 | 1,644 | +260→+305 | UFC Fight Night 255: Edwards vs. Brady Ultimate Fighting Championship |
| 26 | 28 Sep 202431.4 yrs | W12-2 |
 Bolaji Oki
9-1 · 28.9 yrs
|
Lightweight | SubGuillotine Choke | R13:44 | 1.00 | 1,614→1,713 | +99 | 1,660 | +164→+155 | UFC Fight Night 243: Moicano vs. St. Denis Ultimate Fighting Championship |
| 25 | 24 Feb 202430.8 yrs | L11-2 |
 Manuel Torres
14-2 · 28.9 yrs
|
Lightweight | SubRear Naked Choke | R11:46 | 0.00 | 1,690→1,614 | -76 | 1,736 | +125→+154 | UFC Fight Night 237: Moreno vs. Royval 2 Ultimate Fighting Championship |
| 24 | 22 Jul 202330.2 yrs | W11-1 |
 Yanal Ashmouz
7-0 · 28.3 yrs
|
Lightweight | DecisionUnanimous | R315:00 | 0.99* | 1,576→1,690 | +114 | 1,696 | -111→-147 | UFC Fight Night 224: Aspinall vs. Tybura Ultimate Fighting Championship |
| 23 | 18 Mar 202329.9 yrs | W10-1 |
 Omar Morales
11-3 · 37.4 yrs
|
Lightweight | DecisionSplit | R315:00 | 0.53* | 1,611→1,576 | -35 | 1,433 | -108→-111 | UFC 286: Edwards vs. Usman 3 Ultimate Fighting Championship |
| 22 | 2 Aug 202229.2 yrs | W9-1 |
Charlie Campbell
6-1 · 27.1 yrs
|
Lightweight | KO/TKORight Cross to Ground Strikes | R11:43 | 1.00 | 1,518→1,611 | +93 | 1,539 | +123→+140 | Dana White's Contender Series - Contender Series 2022: Week 2 Dana White's Contender Series |
| 21 | 5 Feb 202228.7 yrs | W8-1 |
Jonathan Carlos
6-4 · 25.2 yrs
|
Welterweight | DecisionUnanimous | R315:00 | 0.84 | 1,520→1,518 | -2 | 1,217 | – | Ultimate Fight League 8 Ultimate Fight League |
| 20 | 12 Oct 202128.4 yrs | L7-1 |
 Viacheslav Borshchev
4-1 · 29.8 yrs
|
Lightweight | KO/TKOLeft Hook | R25:28 | 0.00 | 1,663→1,520 | -143 | 1,400 | -156→-138 | Dana White's Contender Series - Contender Series 2021: Week 7 Dana White's Contender Series |
| 19 | 1 Oct 202027.4 yrs | W7-0 |
 Iamik Furtado
6-3 · 33.8 yrs
|
Lightweight | KO/TKOPunches | R28:58 | 1.00 | 1,622→1,664 | +42 | 1,421 | -236→-233 | Bellator 247: Jackson vs. Kielholtz Bellator MMA |
| 18 | 22 Feb 202026.8 yrs | W6-0 |
Mateusz Piskorz
14-5 · 27.7 yrs
|
Lightweight | KO/TKOPunches | R27:43 | 1.00 | 1,590→1,622 | +32 | 1,332 | – | Bellator 240: Dublin Bellator MMA |
| 17 | 4 Aug 201926.2 yrs | W5-0 |
Leandro Souza
8-3 · 29.7 yrs
|
Lightweighttitle | KO/TKOKO/TKO | R14:03 | 1.00 | 1,555→1,590 | +35 | 1,313 | – | Ultimate Fight League 3 Ultimate Fight League |
| 16 | 23 Feb 201925.8 yrs | W4-0 |
 Sam Slater
2-0 · 24.9 yrs
|
Lightweight | KO/TKOKO/TKO | R13:00 | 1.00 | 1,491→1,555 | +64 | 1,396 | – | Bellator 217: Gallagher vs. Graham Bellator MMA |
| 15 | 17 Nov 201825.5 yrs | W3-0 |
 Niall Smith
5-7
|
Lightweight | KO/TKOKO/TKO | R1 | 1.00 | 1,463→1,491 | +28 | 1,177 | – | On Top - 21 On Top Promotions |
| 14 | 2 Jun 201825.1 yrs | W2-0 |
Steven Moore
debut
|
Lightweight | KO/TKOPunches | R310:00 | 1.00 | 1,420→1,463 | +43 | 1,224 | – | On Top: Showdown On Top Promotions |
| 13 | 7 Apr 201824.9 yrs | W1-0 |
 Pietro Colonna
2-0
|
Lightweight | SubGuillotine Choke | R29:47 | 1.00 | 1,366→1,420 | +54 | 1,225 | – | Unity Fighting Championship UNITY Fighting Championship |
| 12 | 18 Nov 201724.5 yrs | W10-2 |
Alexander O'Sullivan
13-4
|
Catchweight | KO/TKOCorner Stoppage | R26:00 | 1.00 | 1,304→1,366 | +63 | 1,288 | – | HFC - Headhunters FC Headhunters FC am |
| 11 | 30 Sep 201724.4 yrs | W9-2 |
Andy Nunn
0-2
|
Lightweighttitle | KO/TKOKO/TKO | R1 | 1.00 | 1,286→1,304 | +18 | 961 | – | On Top: Toe 2 Toe On Top Promotions am |
| 10 | 4 Mar 201723.8 yrs | W8-2 |
Lukasz Szarafiniak
2-0
|
Lightweighttitle | KO/TKOKO/TKO | R24:00 | 1.00 | 1,230→1,286 | +56 | 1,181 | – | HFC - Headhunters FC Headhunters FC am |
| 9 | 27 Aug 201623.3 yrs | W7-2 |
Makinde Adeyemi
3-4
|
Welterweight | DecisionUnanimous | R39:00 | 0.84 | 1,210→1,230 | +19 | 1,069 | – | SFC 11: Homecoming Scottish Fight Challenge am |
| 8 | 1 May 201623.0 yrs | W6-2 |
John Ross
1-10 · 29.8 yrs
|
Welterweighttitle | KO/TKOPunches | R24:29 | 1.00 | 1,196→1,210 | +14 | 832 | – | Forza Fighting Championship 4 Forza Fighting Championship am |
| 7 | 26 Mar 201622.9 yrs | W5-2 |
Kieran Connor
1-1
|
Catchweight | SubGuillotine Choke | R24:16 | 1.00 | 1,143→1,196 | +53 | 1,075 | – | SFC 10: Reckoning Scottish Fight Challenge am |
| 6 | 1 Nov 201522.5 yrs | W4-2 |
 Kevin Hamilton
1-0
|
Welterweighttitle | KO/TKOKO/TKO | R11:22 | 1.00 | 1,078→1,143 | +65 | 1,074 | – | Forza Fighting Championship 3 Forza Fighting Championship am |
| 5 | 8 Mar 201521.8 yrs | W3-2 |
Graham Russell
1-0
|
Welterweight | DecisionMajority | R312:00 | 0.62 | 1,061→1,078 | +17 | 1,066 | – | Scottish Fight Challenge 9 Scottish Fight Challenge am |
| 4 | 6 Dec 201421.6 yrs | L2-2 |
Jack Pearce
debut
|
Catchweight | DecisionUnanimous | R312:00 | 0.16 | 1,124→1,061 | -63 | 1,024 | – | HFC - Headhunters FC Headhunters FC am |
| 3 | 1 Nov 201421.5 yrs | W2-1 |
Stuart Adams
debut
|
Welterweight | KO/TKOPunches | R10:22 | 1.00 | 1,067→1,124 | +57 | 1,021 | – | Forza Fighting Championship 2 Forza Fighting Championship am |
| 2 | 20 Apr 201420.9 yrs | W1-1 |
Chrissy Morton
0-1 · 25.1 yrs
|
Welterweight | KO/TKOGround & Pound | R10:56 | 1.00 | 996→1,067 | +71 | 1,025 | – | SFC 8: Firepower Scottish Fight Challenge am |
| 1 | 27 Nov 201017.5 yrs | L0-1 |
David Dair
1-0
|
– | KO/TKOShoulder Injury | R2 | 0.00 | 1,062→995 | -67 | 1,055 | – | H - Honour 4 United Kingdom Regional am |