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UFC Fight Night: Bonfim vs. BrownMiddleweightPrelims
Christian Leroy DuncanWINNER
Christian Leroy
Duncan
5-2UFC
30 yrsElo 1557
VS
Marco Tulio
Marco
Tulio
2-0UFC
31 yrsElo 1500*
Final: Christian Leroy Duncan by KO/TKO Punch
Who wins
Claude
68%
Duncan
GPT
62%
Duncan
Elo
58%
Duncan
1557 vs 1500
Tale of the tapeUFC averages
6'2" Height 6'0"
79" Reach 74"
Switch Stance Orthodox
4.45 Landed / min 4.42
2.36 Absorbed / minlower better 2.78
57% Strike accuracy 51%
54% Strike defense 58%
0.43 Takedowns / 15 1.33
20% TD accuracy 20%
57% TD defense 0%
0.0 Subs / 15 0.7
Small sample: Marco Tulio, 2 UFC fights.
How it ends
Claude: KO/TKO 55%Claude: Submission 10%Claude: Decision 35%
55%KO/TKO
Claude calls KO/TKO, Round 2
KO/TKO 55%Submission 10%Decision 35%
GPT: KO/TKO 15%GPT: Submission 8%GPT: Decision 77%
77%Decision
GPT calls Decision
KO/TKO 15%Submission 8%Decision 77%
Formnewest first
Christian Leroy Duncan91 days out
W
Eryk Anders
KO/TKO Punches · 2025-08-09
W
Andrey Pulyaev
U-DEC · 2025-03-22
W
Claudio Ribeiro
KO/TKO · 2024-03-02
L
Gregory Rodrigues
U-DEC · 2024-02-17
W
Denis Tiuliulin
KO/TKO · 2023-11-18
Marco Tulio210 days out
W
Tresean Gore
KO/TKO Punch · 2025-04-12
W
Ihor Potieria
KO/TKO Punches · 2025-01-11
Why
Claude
Christian Leroy Duncan
68% · KO/TKO
  • 5-inch reach advantage allows Duncan to control distance and land power shots
  • Duncan's 62% striking accuracy vs Tulio's 51% creates consistent damage differential
  • Tulio's 0% takedown defense leaves him unable to change fight dynamics
  • Duncan's recent KO victories show improved finishing instincts at middleweight
Write-up

Duncan's significant reach advantage (79" vs 74") and superior striking accuracy (62% vs 51%) create a clear path to victory. His recent form shows 2 KO/TKO wins in his last 4 fights, demonstrating finishing power. Tulio's poor takedown defense (0%) and lower striking defense (58% vs Duncan's 49%) make him vulnerable to Duncan's switch stance attacks. The 50-50 community split suggests uncertainty, but the statistical edge clearly favors Duncan.

GPT
Christian Leroy Duncan
62% · Decision
  • Superior striking accuracy and volume for Duncan
  • Significant reach advantage
  • Tulio's low takedown accuracy vs. Duncan's adequate takedown defense
Write-up

Duncan's superior striking accuracy (62%) and volume, combined with a 5-inch reach advantage, give him the edge on the feet, while Tulio's low takedown accuracy (20%) and 0% takedown defense may limit his grappling effectiveness. Tulio is more defensively sound but absorbs less damage, suggesting he will be competitive, but Duncan's offensive output and reach likely sway the judges.