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UFC Fight Night: Jung vs. Ige
SeungWoo Choi
SeungWoo Choi
9-3 · KOR
VS
Julian Erosa
Julian Erosa
25-8 · USA
June 19, 2021 · Las Vegas, Nevada, USA
Featherweight · 3 rounds
146.0lb
Weigh-in
145.5lb
SeungWoo Choi def. Julian Erosa by KO/TKO (Punch), R1 1:37
Performance
Round by round
SSTDKDCtrl
R1 · 1:37
Choi13/290/010:03
Erosa10/200/000:00
Total
Choi13/290/010:03
Erosa10/200/000:00

Pre-fight

The model's read going in

The walk-forward model's call at the time of the bout — persisted out-of-sample, with no hindsight about the result.

Prediction
ChoiWin probabilityErosa
62.3%37.7%
KO / TKO
31%
Submission
24%
Decision
45%
Expected fight time: 9.9 min
Retrospective pick: the walk-forward model's call at the time of the fight — persisted out-of-sample, with no hindsight about the result.
What drives the pick

Each bar is a feature's push on the model from the center axis. Red pushes toward Choi, blue toward Erosa. Tap a bar for why.

Predicted outcomes
Choi62%
Wins by
Model
Equity
Mkt
KO / TKO19%31%19%
Submission9%14%8%
Decision34%55%28%
Predicted output
Sig. strikes44 (1859)act 13
Takedowns0.7 (0.02.7)act 0
Erosa38%
Wins by
Model
Equity
Mkt
KO / TKO12%33%10%
Submission15%38%14%
Decision11%29%20%
Predicted output
Sig. strikes32 (1343)act 10
Takedowns0.8 (0.02.9)act 0
Combined totals~75 sig strikes~1.5 takedownsmkt —
How it ends
mkt —
R128%
R218%
R39%
Distance45%
Fighter props
Most sig. strikestie 1.2%
Choi
59.7%-153
Erosa
+15339.1%
Most takedownstie 37.5%
Choi
30.9%+102
Erosa
-10231.5%
Significant strikes — over/under
Choi
Expected: 43.7
43.5
Over 43.5
40.0%
+150
Under 43.5
60.0%
-150
055110
Erosa
Expected: 31.7
31.5
Over 31.5
40.1%
+150
Under 31.5
59.9%
-150
04080
Takedowns — over/under
Choi
Expected: 0.7
0.5
Over 0.5
42.5%
+135
Under 0.5
57.5%
-135
035
Erosa
Expected: 0.8
1
Over 1
27.2%
+212
Exactly 1
15.1%
push
Under 1
57.7%
-212
035

Odds are model-implied (no real prop market is priced for these). The “most” prices are draw-no-bet — a tie (for takedowns, usually 0–0) is a push, so each side is priced off its chance of winning given a result, while the % shown is the raw chance of landing strictly more. Drag a line in half-point steps: a half line (e.g. 2.5) is a clean over/under, while a whole number adds a third outcome — landing exactly on it, a push — so over, exact and under sum to 100%. On a whole number the over/under odds are draw-no-bet (priced off the decisive mass, since the push refunds), so the two sides stay mirror images rather than implying an arbitrage.

Expected fight time 9.9 min. Predicted-output ranges are percentiles of the model’s simulated fights: sig strikes the middle 50% (25th–75th); takedowns the wider 10th–90th, since they’re 0 in most fights so a narrow band would collapse to 0. Win-by-method = win probability × that fighter’s own method split: the model forecasts how the fight ends, and that forecast is divided between the corners by each fighter’s finishing record — UFC wins in full, earlier-career wins at half weight, as of fight night — reconciled so the fighters’ totals still equal their win probabilities and the methods still total the fight-level forecast above. “Equity” is each of those over that fighter’s win % — how they win given that they win — so a column adds to 100%, and it differs by corner. A fighter with no classifiable wins at any level leans on the fight-level split. “How it ends” is the model’s round-of-finish split. “Mkt” is the de-vigged market prop (consensus across books), shown for context, not as a betting signal; rounds & totals slots fill as that data lands. Percentages are apportioned by largest remainder, so each set adds to its total exactly and an individual figure can sit a point off its own rounding.

Model vs market
Final
ModelMarketGapLine
To win
Choi62.3%57.7%+4.6-155
Erosa37.7%42.3%−4.6+125
By method
Choi by KO/TKO19.6%19.3%+0.3+318
Choi by submission14.7%8.0%+6.7+914
Choi by decision28.1%28.4%−0.3+185
Erosa by KO/TKO11.8%10.5%+1.3+672
Erosa by submission8.9%13.8%−4.9+487
Erosa by decision17.0%20.0%−3.0+304
Total rounds (over)
Over 1.5 rds71.9%66.3%+5.6-250
Over 2.5 rds53.5%55.0%−1.5-144
Goes the distance
Fight goes to decision45.0%52.5%−7.5-128

Market % is the de-vigged (no-vig) consensus across the books that price both fighters; the line is the average across books with the min–max range in parentheses. Gap is the model minus the market in points (+ = the model rates that outcome above the market). Thin or one-sided markets are flagged or left blank rather than shown as a fabricated %. Shown for context, not as a bet — the closing line is the sharpest public price and the model trails it on average. For 5-round bouts the model splits its round-3+ finish mass into rounds 3–5 by the historical within-bucket rate, so the over-3.5 / 4.5 lines carry a model estimate.

Trait web
61.9Striking59.6
Choi +2.3
48.7Grappling60.6
Erosa +12.0
Str/minStr accStr defAbsorbedTD/15TD accTD defSubs
Hover a point to see the values
ChoiErosa
Tale of the tape
Ratings (Elo)
1522
Pound-for-pound
1521
1522
Divisional
1505
1494
Striking offense
1510
1522
Striking defense
1472
Grappling offense
Grappling defense
Physical
28 yrs
Age
31 yrs
6'0"
Height
6'1"
74"
Reach
74"
Orthodox
Stance
Southpaw
Striking (UFC career)
3.17
Strikes landed / min
4.71
41%
Strike accuracy
46%
2.45
Strikes absorbed / min
5.47
46%
Strike defense
52%
Grappling (UFC career)
1.03
Takedowns / 15 min
1.46
57%
Takedown accuracy
60%
67%
Takedown defense
58%
0.0
Sub attempts / 15 min
1.0
Form & résumé
50%
UFC win rate
43%
+2
Win/loss streak
+2
50%
Last-5 win rate
40%
0%
Finish rate
67%
Recent opp. quality
133
Days since last fight
119
Recent form (last 5 UFC)
SeungWoo Choi
  • WYoussef ZalalU-DEC R3
    Close +1884mo before
  • WSuman MokhtarianU-DEC R3
    Close -2751y 6mo before
  • LGavin TuckerSUB R3
    Close -1401y 11mo before
  • LMovsar EvloevU-DEC R3
    Close +3502y 2mo before
Julian Erosa
  • WNate LandwehrKO/TKO R1
    Close +1044mo before
  • WSean WoodsonSUB R3
    Close +3251y before
  • LJulio ArceKO/TKO R3
    Close +5502y 1mo before
  • LGrant DawsonU-DEC R3
    Close +1702y 3mo before
  • LDevonte SmithKO/TKO R1
    Close +2102y 7mo before
Choi — win / loss by method
Record: 9-3-0

Bar length is fight count (largest bar = full width); shading splits finishes by round and decisions by unanimous vs split — tap a bar for the round-by-round count.

KO/TKO
5 wins, 1 loss
W
56% of wins
L
33% of losses
Submission
0 wins, 1 loss
W
0% of wins
L
33% of losses
Decision
4 wins, 1 loss
W
44% of wins
L
33% of losses
UFC
2win2loss0draw0NC
WinsLosses
0 (0%)KO/TKO(0%) 0
0 (0%)Submission(50%) 1
2 (100%)Decision(50%) 1
Non-UFC
7win1loss0draw0NC
WinsLosses
5 (71%)KO/TKO(100%) 1
0 (0%)Submission(0%) 0
2 (29%)Decision(0%) 0
Erosa — win / loss by method
Record: 25-8-0

Bar length is fight count (largest bar = full width); shading splits finishes by round and decisions by unanimous vs split — tap a bar for the round-by-round count.

KO/TKO
11 wins, 4 losses
W
44% of wins
L
50% of losses
Submission
11 wins, 0 losses
W
44% of wins
L
0% of losses
Decision
3 wins, 4 losses
W
12% of wins
L
50% of losses
UFC
3win4loss0draw0NC
WinsLosses
1 (33%)KO/TKO(75%) 3
1 (33%)Submission(0%) 0
1 (33%)Decision(25%) 1
Non-UFC
22win4loss0draw0NC
WinsLosses
10 (45%)KO/TKO(25%) 1
10 (45%)Submission(0%) 0
2 (9%)Decision(75%) 3

Profiles

Experience
Choi
Erosa
4
UFC fights
7
58.3 min · 14.6 avg
Octagon time
61.8 min · 8.8 avg
10y 11m
Career length
15y 10m
UFC schedule strength

Opponents' records on fight night — toggle their full cross-promotional record vs UFC bouts only.

Choi
Erosa
38W–5L · 88.4%
Overall
73W–12L · 85.9%
18W–4L · 81.8%
Wins
31W–5L · 86.1%
20W–1L · 95.2%
Losses
42W–7L · 85.7%
Non-UFC schedule strength
Choi
Erosa
30W–11L · 73.2%
Overall
179W–69L · 72.2%
25W–9L · 73.5%
Wins
148W–60L · 71.2%
5W–2L · 71.4%
Losses
31W–9L · 77.5%
Distance striking
Choi
Erosa
4.77
Landed / min
6.28
29.8%
Accuracy
41.6%
58.3%
Defense
54.4%
0.26
Knockdowns / 15 min
0.24
34.9%
Time at distance
56.4%
Grappling & control
Choi
Erosa
1.03
Takedowns / 15 min
1.46
57.1%
Takedown accuracy
60.0%
66.7%
Takedown defense
58.3%
0.00
Sub attempts / 15 min
0.97
33.2%
Control share
33.7%
Strike target map
Choi
  • Head65%(121)div 64%
  • Body29%(53)div 20%
  • Legs6%(11)div 16%
Erosa
  • Head58%(168)div 64%
  • Body30%(86)div 20%
  • Legs13%(37)div 16%

Where each fighter lands significant strikes (career). “div” = the weight-class average.

SeungWoo Choi
CloseSSTDKDCtrl

Per-fight: SS & TD shown landed/attempted; Close = consensus closing line.

Julian Erosa
CloseSSTDKDCtrl

Per-fight: SS & TD shown landed/attempted; Close = consensus closing line.