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UFC 131: Dos Santos vs Carwin
Chris Weidman
Chris Weidman
5-0 · USA
VS
Jesse Bongfeldt
Jesse Bongfeldt
15-5-1 · CAN
June 11, 2011 · Vancouver, British Columbia, Canada
Middleweight · 3 rounds
186.0lb
Weigh-in
185.0lb
Chris Weidman def. Jesse Bongfeldt by SUB (Guillotine Choke), R1 4:54
Performance
Round by round
SSTDKDCtrl
R1 · 4:54
Weidman7/171/103:46
Bongfeldt5/120/000:00
Total
Weidman7/171/103:46
Bongfeldt5/120/000:00

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
WeidmanWin probabilityBongfeldt
83.2%16.8%
KO / TKO
17%
Submission
60%
Decision
23%
Expected fight time: 6.5 min
What drives the pick

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

Predicted outcomes
Weidman83%
Wins by
Model
Equity
Mkt
KO / TKO13%16%
Submission49%58%
Decision21%26%
Predicted output
Sig. strikes33 (1842)act 7
Takedowns1.6 (0.23.5)act 1
Bongfeldt17%
Wins by
Model
Equity
Mkt
KO / TKO3%20%
Submission12%70%
Decision2%10%
Predicted output
Sig. strikes29 (1638)act 5
Takedowns0.0 (0.00.3)act 0
Combined totals~62 sig strikes~1.6 takedownsmkt —
How it ends
mkt —
R164%
R24%
R39%
Distance23%
Fighter props
Most sig. strikestie 1.7%
Weidman
53.8%-121
Bongfeldt
+12144.5%
Most takedownstie 6.4%
Weidman
92.2%-6320
Bongfeldt
+63201.5%
Significant strikes — over/under
Weidman
Expected: 32.6
32.5
Over 32.5
42.7%
+134
Under 32.5
57.3%
-134
04182
Bongfeldt
Expected: 29.4
29.5
Over 29.5
42.4%
+136
Under 29.5
57.6%
-136
03774
Takedowns — over/under
Weidman
Expected: 1.6
1.5
Over 1.5
58.7%
-142
Under 1.5
41.3%
+142
035
Bongfeldt
Expected: 0.0
0
Over 0
12.8%
Exactly 0
87.2%
push
Under 0
0.0%
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 6.5 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
Weidman83.2%81.1%+2.1-475
Bongfeldt16.8%18.9%−2.1+420

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
70.7Striking76.7
Bongfeldt +6.0
50.0Grappling35.6
Weidman +14.4
Str/minStr accStr defAbsorbedTD/15TD accTD defSubs
Hover a point to see the values
WeidmanBongfeldt
Tale of the tape
Ratings (Elo)
1530
Pound-for-pound
1523
1530
Divisional
1523
1484
Striking offense
1499
1503
Striking defense
1509
1556
Grappling offense
1503
1555
Grappling defense
1496
Physical
26 yrs
Age
30 yrs
6'2"
Height
6'0"
78"
Reach
Orthodox
Stance
Orthodox
Striking (UFC career)
3.00
Strikes landed / min
3.53
43%
Strike accuracy
65%
1.80
Strikes absorbed / min
0.87
62%
Strike defense
43%
Grappling (UFC career)
5.00
Takedowns / 15 min
2.00
63%
Takedown accuracy
33%
Takedown defense
38%
0.0
Sub attempts / 15 min
0.0
Form & résumé
100%
UFC win rate
+1
Win/loss streak
0
100%
Last-5 win rate
0%
0%
Finish rate
Recent opp. quality
100
Days since last fight
182
Recent form (last 5 UFC)
Chris Weidman
  • WAlessio SakaraU-DEC R3
    Close -2303mo before
Jesse Bongfeldt
  • DRafael NatalM-DEC R3
    !Close +1356mo before
Weidman — win / loss by method
Record: 5-0-0

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
2 wins, 0 losses
W
40% of wins
L
Submission
1 win, 0 losses
W
20% of wins
L
Decision
2 wins, 0 losses
W
40% of wins
L
UFC
1win0loss0draw0NC
WinsLosses
0 (0%)KO/TKO() 0
0 (0%)Submission() 0
1 (100%)Decision() 0
Non-UFC
4win0loss0draw0NC
WinsLosses
2 (50%)KO/TKO() 0
1 (25%)Submission() 0
1 (25%)Decision() 0
Bongfeldt — win / loss by method
Record: 15-5-1

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
6 wins, 2 losses
W
40% of wins
L
40% of losses
Submission
9 wins, 2 losses
W
60% of wins
L
40% of losses
Decision
0 wins, 1 loss
W
0% of wins
L
20% of losses
UFC
0win0loss1draw0NC
WinsLosses
0 ()KO/TKO() 0
0 ()Submission() 0
0 ()Decision() 0
Non-UFC
15win5loss0draw0NC
WinsLosses
6 (40%)KO/TKO(40%) 2
9 (60%)Submission(40%) 2
0 (0%)Decision(20%) 1

Profiles

Experience
Weidman
Bongfeldt
1
UFC fights
1
15.0 min · 15.0 avg
Octagon time
15.0 min · 15.0 avg
17y 5m
Career length
23y 3m
UFC schedule strength

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

Weidman
Bongfeldt
15W–7L · 68.2%
Overall
15W–7L · 68.2%
Wins
0W–0L
Losses
Non-UFC schedule strength
Weidman
Bongfeldt
12W–3L · 80.0%
Overall
121W–79L · 60.5%
12W–3L · 80.0%
Wins
89W–61L · 59.3%
0W–0L
Losses
32W–18L · 64.0%
Distance striking
Weidman
Bongfeldt
4.00
Landed / min
5.04
34.7%
Accuracy
44.8%
66.7%
Defense
75.0%
0.00
Knockdowns / 15 min
0.00
41.7%
Time at distance
17.2%
Grappling & control
Weidman
Bongfeldt
5.00
Takedowns / 15 min
2.00
62.5%
Takedown accuracy
33.3%
Takedown defense
37.5%
0.00
Sub attempts / 15 min
0.00
99.4%
Control share
46.5%
Strike target map
Weidman
  • Head87%(39)div 63%
  • Body0%(0)div 19%
  • Legs13%(6)div 17%
Bongfeldt
  • Head72%(38)div 63%
  • Body15%(8)div 19%
  • Legs13%(7)div 17%

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

Chris Weidman
CloseSSTDKDCtrl

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

Jesse Bongfeldt
CloseSSTDKDCtrl

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