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UFC Fight Night: Belfort vs Henderson 2
Jeremy Stephens
Jeremy Stephens
21-9 · USA
VS
Rony Jason
Rony Jason
13-3 · BRA
November 9, 2013 · Goiania, Goias, Brazil
Featherweight · 3 rounds
146.0lb
Weigh-in
146.0lb
Jeremy Stephens def. Rony Jason by KO/TKO (Kick), R1 0:40
Performance
Round by round
SSTDKDCtrl
R1 · 0:40
Stephens3/30/010:02
Jason1/50/000:00
Total
Stephens3/30/010:02
Jason1/50/000:00

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
StephensWin probabilityJason
37.3%62.7%
KO / TKO
30%
Submission
19%
Decision
51%
Expected fight time: 11.0 min
What drives the pick

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

Predicted outcomes
Stephens37%
Wins by
Model
Equity
Mkt
KO / TKO14%39%
Submission3%7%
Decision20%54%
Predicted output
Sig. strikes40 (2252)act 3
Takedowns0.2 (0.00.7)act 0
Jason63%
Wins by
Model
Equity
Mkt
KO / TKO15%24%
Submission16%26%
Decision32%50%
Predicted output
Sig. strikes42 (2354)act 1
Takedowns0.5 (0.01.9)act 0
Combined totals~82 sig strikes~0.6 takedownsmkt —
How it ends
mkt —
R124%
R28%
R316%
Distance52%
Fighter props
Most sig. strikestie 1.3%
Stephens
47.2%+109
Jason
-10951.5%
Most takedownstie 58.1%
Stephens
12.6%+233
Jason
-23329.3%
Significant strikes — over/under
Stephens
Expected: 39.9
40
Over 40
41.6%
+137
Exactly 40
1.7%
push
Under 40
56.8%
-137
050100
Jason
Expected: 41.8
42
Over 42
41.4%
+138
Exactly 42
1.6%
push
Under 42
57.0%
-138
053105
Takedowns — over/under
Stephens
Expected: 0.2
0
Over 0
16.5%
Exactly 0
83.5%
push
Under 0
0.0%
035
Jason
Expected: 0.5
0.5
Over 0.5
32.6%
+207
Under 0.5
67.4%
-207
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 11.0 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
Stephens37.3%36.3%+1.0+170
Jason62.7%63.7%−1.0-185

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
68.4Striking69.5
Jason +1.1
55.6Grappling51.2
Stephens +4.4
Str/minStr accStr defAbsorbedTD/15TD accTD defSubs
Hover a point to see the values
StephensJason
Tale of the tape
Ratings (Elo)
1536
Pound-for-pound
1563
1549
Divisional
1562
1505
Striking offense
1490
1524
Striking defense
1512
Grappling offense
Grappling defense
Physical
27 yrs
Age
29 yrs
5'9"
Height
5'7"
71"
Reach
73"
Orthodox
Stance
Orthodox
Striking (UFC career)
2.69
Strikes landed / min
3.47
46%
Strike accuracy
49%
2.37
Strikes absorbed / min
2.92
61%
Strike defense
59%
Grappling (UFC career)
1.89
Takedowns / 15 min
0.58
49%
Takedown accuracy
33%
54%
Takedown defense
67%
0.7
Sub attempts / 15 min
1.2
Form & résumé
50%
UFC win rate
100%
+1
Win/loss streak
+3
40%
Last-5 win rate
100%
50%
Finish rate
67%
Recent opp. quality
168
Days since last fight
154
Recent form (last 5 UFC)
Jeremy Stephens
  • WEstevan PayanU-DEC R3
    Close -1706mo before
  • LYves EdwardsKO/TKO R1
    Close -24011mo before
  • LDonald CerroneU-DEC R3
    Close +2001y 6mo before
  • LAnthony PettisS-DEC R3
    Close +2552y 1mo before
  • WDanny DownesU-DEC R3
    Close -3602y 5mo before
Rony Jason
  • WMike WilkinsonSUB R1
    Close -3305mo before
  • WSam SiciliaKO/TKO R2
    Close -2101y 1mo before
  • WGodofredo PepeyU-DEC R3
    Close -2601y 5mo before
Stephens — win / loss by method
Record: 21-9-0

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
15 wins, 1 loss
W
71% of wins
L
11% of losses
Submission
2 wins, 3 losses
W
10% of wins
L
33% of losses
Decision
4 wins, 5 losses
W
19% of wins
L
56% of losses
UFC
8win8loss0draw0NC
WinsLosses
4 (50%)KO/TKO(13%) 1
0 (0%)Submission(25%) 2
4 (50%)Decision(63%) 5
Non-UFC
13win1loss0draw0NC
WinsLosses
11 (85%)KO/TKO(0%) 0
2 (15%)Submission(100%) 1
0 (0%)Decision(0%) 0
Jason — win / loss by method
Record: 13-3-0

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
4 wins, 1 loss
W
31% of wins
L
33% of losses
Submission
8 wins, 1 loss
W
62% of wins
L
33% of losses
Decision
1 win, 1 loss
W
8% of wins
L
33% of losses
UFC
3win0loss0draw0NC
WinsLosses
1 (33%)KO/TKO() 0
1 (33%)Submission() 0
1 (33%)Decision() 0
Non-UFC
10win3loss0draw0NC
WinsLosses
3 (30%)KO/TKO(33%) 1
7 (70%)Submission(33%) 1
0 (0%)Decision(33%) 1

Profiles

Experience
Stephens
Jason
16
UFC fights
3
190.7 min · 11.9 avg
Octagon time
25.7 min · 8.6 avg
21y 6m
Career length
20y 3m
UFC schedule strength

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

Stephens
Jason
273W–81L · 77.1%
Overall
27W–1L · 96.4%
97W–31L · 75.8%
Wins
27W–1L · 96.4%
176W–50L · 77.9%
Losses
0W–0L
Non-UFC schedule strength
Stephens
Jason
87W–49L · 64.0%
Overall
66W–27L · 71.0%
81W–48L · 62.8%
Wins
35W–15L · 70.0%
6W–1L · 85.7%
Losses
31W–12L · 72.1%
Distance striking
Stephens
Jason
3.60
Landed / min
3.63
37.8%
Accuracy
41.4%
65.5%
Defense
63.9%
0.55
Knockdowns / 15 min
0.00
43.9%
Time at distance
67.6%
Grappling & control
Stephens
Jason
1.89
Takedowns / 15 min
0.58
49.0%
Takedown accuracy
33.3%
54.2%
Takedown defense
66.7%
0.71
Sub attempts / 15 min
1.17
48.2%
Control share
58.8%
Strike target map
Stephens
  • Head59%(301)div 64%
  • Body21%(107)div 19%
  • Legs20%(104)div 17%
Jason
  • Head60%(53)div 64%
  • Body31%(28)div 19%
  • Legs9%(8)div 17%

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

Jeremy Stephens
CloseSSTDKDCtrl

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

Rony Jason
CloseSSTDKDCtrl

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