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UFC Fight Night: Moicano vs. NolanFeatherweightPrelims
Julian ErosaWINNER
Julian
Erosa
9-8UFC
37 yrsElo 1527
VS
JeongYeong Lee
JeongYeong
Lee
2-2UFC
30 yrsElo 1472
Final: Julian Erosa by KO/TKO Punch
Who wins
Claude
55%
Erosa
GPT
55%
Erosa
Elo
58%
Erosa
1527 vs 1472
Scouting

Julian Erosa has said this bout will be his last and that he will retire whatever the result. He said his son has changed his priorities and that he wants to leave the sport with his health intact.

  • Julian Erosa Erosa told Fanatics View that the Lee fight at UFC Vegas 123 will be his final fight and he will retire regardless of the outcome. He said his son has changed his priorities and he wants to leave with his health intact. source
Tale of the tapeUFC averages
6'1" Height 5'10"
74" Reach 73"
Southpaw Stance Orthodox
6.18 Landed / min 2.84
6.31 Absorbed / minlower better 2.81
48% Strike accuracy 52%
48% Strike defense 50%
1.69 Takedowns / 15 0.93
48% TD accuracy 66%
58% TD defense 76%
0.8 Subs / 15 0.5
How it ends
Claude: KO/TKO 30%Claude: Submission 20%Claude: Decision 50%
50%Decision
Claude calls Decision
KO/TKO 30%Submission 20%Decision 50%
GPT: KO/TKO 30%GPT: Submission 28%GPT: Decision 42%
42%Decision
GPT calls Decision
KO/TKO 30%Submission 28%Decision 42%
Formnewest first
Julian Erosa532 days out
L
Melquizael Costa
U-DEC · 2025-05-17
W
Darren Elkins
KO/TKO Punches · 2025-04-12
W
Ricardo Ramos
SUB · 2024-03-23
W
Christian Rodriguez
SUB · 2024-02-03
L
Fernando Padilla
KO/TKO · 2023-04-29
JeongYeong Lee539 days out
L
Daniel Santos
U-DEC · 2025-05-10
L
Hyder Amil
KO/TKO · 2024-02-10
W
Blake Bilder
U-DEC · 2024-02-03
W
Yizha
S-DEC · 2023-02-04
Why
Claude
Julian Erosa
55% · Decision
  • Volume gap: Erosa lands 6.18 SLpM vs Lee's 2.84, so Erosa's pace should win rounds.
  • Lee has been out 533 days, above the ~450-day threshold, which adds ring-rust risk against a high-pace opponent.
  • Erosa is 37, absorbs 6.31 SLpM at 48% defense, and was just KO'd by Lerryan Douglas, so Lee's 52%-accurate counters are a real danger.
  • Erosa's guillotine threat (2 straight guillotine subs in 2024) counters Lee's efficient but low-volume takedowns (0.93 TD/15, 66% accuracy).
Write-up

Elo puts this at 53-47 for Erosa, and Lee's rating is provisional (4 fights, trend -26). The matchup points the same direction. Erosa's game is volume: 6.18 SLpM against Lee's 2.84. With his height and southpaw stance (6'1" vs 5'10"), he can set a pace that Lee, a counter-oriented, low-output fighter, has had trouble matching. Lee lost a clear decision to Daniel Santos and was stopped by Hyder Amil. His wins over Bilder and Yizha were close, and the Yizha win was a split decision. Lee's biggest problem is the 533-day layoff, which is above the ~450-day level I treat as a material ring-rust and injury risk. That matters a lot against an opponent who pushes as many exchanges as Erosa does. Erosa's risks are just as real. He is 37, he was KO'd by Lerryan Douglas in March, and he absorbs 6.31 SLpM with 48% striking defense. Lee is accurate (52%, with 66% takedown accuracy), and if Erosa fights carelessly, Lee can land a clean counter or a well-timed takedown. Erosa also has a dangerous guillotine (back-to-back guillotine subs of Ramos and Rodriguez), which punishes Lee if he shoots carelessly. I lean Erosa because of the volume gap and Lee's long layoff, but his fading durability keeps this near a coin flip. A pace-driven decision is the most likely single outcome, with real chances of an Erosa guillotine or a stoppage either way.

GPT
Julian Erosa
55% · Decision
  • Small Elo advantage backed by Erosa's larger UFC sample
  • Lee's extended layoff adds return-to-competition uncertainty
  • Erosa's higher striking output comes with substantial defensive exposure
  • Lee's takedown defense reduces confidence in a grappling finish
Write-up

Erosa narrowly leads the opponent-adjusted Elo projection at 53%, with Lee's rating provisional after four UFC fights. His greater striking volume and Lee's reported 533-day layoff support a small upward adjustment. However, Erosa absorbs 6.31 significant strikes per minute and suffered a knockout in his latest bout, leaving considerable upset risk. Lee's 76% takedown defense could limit Erosa's submission opportunities, making a volume-driven decision the lean. Both have lost their last two fights; the detailed enrichment logs take precedence over conflicting recent-form summaries. Method probabilities are conditional on Erosa winning.