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UFC 137: Penn vs Diaz
Roy Nelson
Roy Nelson
14-6 · USA
VS
Mirko Filipovic
Mirko Filipovic
27-9-2 · HRV
October 29, 2011 · Las Vegas, Nevada, USA
Heavyweight · 3 rounds
252.0lb
Weigh-in
235.0lb
Roy Nelson def. Mirko Filipovic by KO/TKO (Punches), R3 1:30
Performance
Round by round
SSTDKDCtrl
R1
Nelson13/391/101:36
Filipovic10/260/000:00
R2
Nelson9/191/102:23
Filipovic19/320/000:27
R3 · 1:30
Nelson10/170/000:17
Filipovic1/10/100:00
Total
Nelson32/752/204:16
Filipovic30/590/100:27

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
NelsonWin probabilityFilipovic
42.4%57.6%
KO / TKO
43%
Submission
7%
Decision
50%
Expected fight time: 10.8 min
What drives the pick

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

Predicted outcomes
Nelson42%
Wins by
Model
Equity
Mkt
KO / TKO15%37%
Submission4%9%
Decision23%54%
Predicted output
Sig. strikes41 (2353)act 32
Takedowns0.3 (0.01.1)act 2
Filipovic58%
Wins by
Model
Equity
Mkt
KO / TKO28%47%
Submission3%6%
Decision27%47%
Predicted output
Sig. strikes41 (2353)act 30
Takedowns0.3 (0.01.3)act 0
Combined totals~82 sig strikes~0.5 takedownsmkt —
How it ends
mkt —
R125%
R210%
R315%
Distance50%
Fighter props
Most sig. strikestie 1.3%
Nelson
49.5%-101
Filipovic
+10149.2%
Most takedownstie 65.5%
Nelson
16.3%+112
Filipovic
-11218.2%
Significant strikes — over/under
Nelson
Expected: 41.1
41
Over 41
41.9%
+135
Exactly 41
1.6%
push
Under 41
56.5%
-135
052103
Filipovic
Expected: 41.0
41
Over 41
41.6%
+136
Exactly 41
1.6%
push
Under 41
56.8%
-136
052103
Takedowns — over/under
Nelson
Expected: 0.3
0.5
Over 0.5
18.9%
+430
Under 0.5
81.1%
-430
035
Filipovic
Expected: 0.3
0.5
Over 0.5
20.8%
+381
Under 0.5
79.2%
-381
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 10.8 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
Nelson42.4%67.6%−25.2-240
Filipovic57.6%32.4%+25.2+195

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
47.0Striking61.0
Filipovic +14.0
15.1Grappling52.3
Filipovic +37.3
Str/minStr accStr defAbsorbedTD/15TD accTD defSubs
Hover a point to see the values
NelsonFilipovic
Tale of the tape
Ratings (Elo)
1520
Pound-for-pound
1540
1520
Divisional
1540
1503
Striking offense
1490
1498
Striking defense
1488
1515
Grappling offense
1483
1519
Grappling defense
1535
Physical
35 yrs
Age
37 yrs
6'0"
Height
6'2"
73"
Reach
73"
Orthodox
Stance
Southpaw
Striking (UFC career)
2.27
Strikes landed / min
2.02
39%
Strike accuracy
43%
5.52
Strikes absorbed / min
2.87
53%
Strike defense
58%
Grappling (UFC career)
0.44
Takedowns / 15 min
0.33
10%
Takedown accuracy
50%
30%
Takedown defense
79%
0.0
Sub attempts / 15 min
0.5
Form & résumé
50%
UFC win rate
44%
-2
Win/loss streak
-2
50%
Last-5 win rate
40%
100%
Finish rate
100%
Recent opp. quality
154
Days since last fight
224
Recent form (last 5 UFC)
Roy Nelson
  • LFrank MirU-DEC R3
    Close +1105mo before
  • LJunior Dos SantosU-DEC R3
    Close +3151y 3mo before
  • WStefan StruveKO/TKO R1
    Close -3501y 7mo before
  • WBrendan SchaubKO/TKO R1
    Close -1651y 11mo before
Mirko Filipovic
  • LBrendan SchaubKO/TKO R3
    Close +2057mo before
  • LFrank MirKO/TKO R3
    Close +1851y 1mo before
  • WPat BarrySUB R3
    Close +1501y 5mo before
  • WAnthony PeroshKO/TKO R2
    Close -5751y 8mo before
  • LJunior Dos SantosKO/TKO R3
    Close +1452y 1mo before
Nelson — win / loss by method
Record: 14-6-0

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
9 wins, 1 loss
W
64% of wins
L
17% of losses
Submission
4 wins, 0 losses
W
29% of wins
L
0% of losses
Decision
1 win, 5 losses
W
7% of wins
L
83% of losses
UFC
2win2loss0draw0NC
WinsLosses
2 (100%)KO/TKO(0%) 0
0 (0%)Submission(0%) 0
0 (0%)Decision(100%) 2
Non-UFC
12win4loss0draw0NC
WinsLosses
7 (58%)KO/TKO(25%) 1
4 (33%)Submission(0%) 0
1 (8%)Decision(75%) 3
Filipovic — win / loss by method
Record: 27-9-2, 1 NC

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
22 wins, 5 losses
W
81% of wins
L
56% of losses
Submission
2 wins, 1 loss
W
7% of wins
L
11% of losses
Decision
3 wins, 3 losses
W
11% of wins
L
33% of losses
UFC
4win5loss0draw0NC
WinsLosses
3 (75%)KO/TKO(80%) 4
1 (25%)Submission(0%) 0
0 (0%)Decision(20%) 1
Non-UFC
23win4loss2draw1NC
WinsLosses
19 (83%)KO/TKO(25%) 1
1 (4%)Submission(25%) 1
3 (13%)Decision(50%) 2

Profiles

Experience
Nelson
Filipovic
4
UFC fights
9
34.4 min · 8.6 avg
Octagon time
91.8 min · 10.2 avg
22y 3m
Career length
24y 11m
UFC schedule strength

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

Nelson
Filipovic
48W–9L · 84.2%
Overall
74W–21L · 77.9%
23W–3L · 88.5%
Wins
29W–10L · 74.4%
25W–6L · 80.6%
Losses
45W–11L · 80.4%
Non-UFC schedule strength
Nelson
Filipovic
158W–71L · 69.0%
Overall
374W–122L · 75.4%
90W–53L · 62.9%
Wins
316W–111L · 74.0%
68W–18L · 79.1%
Losses
58W–11L · 84.1%
Distance striking
Nelson
Filipovic
3.46
Landed / min
2.42
36.0%
Accuracy
35.3%
55.8%
Defense
69.3%
0.87
Knockdowns / 15 min
0.49
45.4%
Time at distance
50.4%
Grappling & control
Nelson
Filipovic
0.44
Takedowns / 15 min
0.33
10.0%
Takedown accuracy
50.0%
30.0%
Takedown defense
78.6%
0.00
Sub attempts / 15 min
0.49
47.7%
Control share
37.3%
Strike target map
Nelson
  • Head87%(68)div 67%
  • Body5%(4)div 17%
  • Legs8%(6)div 16%
Filipovic
  • Head68%(125)div 67%
  • Body23%(42)div 17%
  • Legs10%(18)div 16%

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

Roy Nelson
CloseSSTDKDCtrl

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

Mirko Filipovic
CloseSSTDKDCtrl

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