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UFC: Silva vs Irvin
Anderson Silva
Anderson Silva
23-4 · BRA
VS
James Irvin
James Irvin
14-4 · USA
July 19, 2008 · Las Vegas, Nevada, USA
Light Heavyweight · 3 rounds · Main event
206.0lb
Weigh-in
206.0lb
Anderson Silva def. James Irvin by KO/TKO (Punch), R1 1:01
Performance
Round by round
SSTDKDCtrl
R1 · 1:01
Silva13/130/010:06
Irvin0/30/000:00
Total
Silva13/130/010:06
Irvin0/30/000:00

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
SilvaWin probabilityIrvin
55.6%44.4%
KO / TKO
35%
Submission
42%
Decision
23%
Expected fight time: 7.1 min
What drives the pick

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

Predicted outcomes
Silva56%
Wins by
Model
Equity
Mkt
KO / TKO19%34%
Submission23%41%
Decision14%25%
Predicted output
Sig. strikes32 (1741)act 13
Takedowns0.2 (0.01.1)act 0
Irvin44%
Wins by
Model
Equity
Mkt
KO / TKO16%37%
Submission19%44%
Decision9%19%
Predicted output
Sig. strikes20 (1126)act 0
Takedowns0.1 (0.00.0)act 0
Combined totals~52 sig strikes~0.3 takedownsmkt —
How it ends
mkt —
R155%
R210%
R312%
Distance23%
Fighter props
Most sig. strikestie 1.9%
Silva
68.1%-227
Irvin
+22730.0%
Most takedownstie 69.9%
Silva
22.3%-284
Irvin
+2847.8%
Significant strikes — over/under
Silva
Expected: 31.6
31.5
Over 31.5
42.6%
+135
Under 31.5
57.4%
-135
04079
Irvin
Expected: 20.3
20.5
Over 20.5
42.0%
+138
Under 20.5
58.0%
-138
02651
Takedowns — over/under
Silva
Expected: 0.2
0
Over 0
23.8%
Exactly 0
76.2%
push
Under 0
0.0%
035
Irvin
Expected: 0.1
0
Over 0
9.6%
Exactly 0
90.4%
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 7.1 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
Silva55.6%81.1%−25.5-505
Irvin44.4%18.9%+25.5+413

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
82.6Striking55.0
Silva +27.6
56.7Grappling18.8
Silva +37.8
Str/minStr accStr defAbsorbedTD/15TD accTD defSubs
Hover a point to see the values
SilvaIrvin
Tale of the tape
Ratings (Elo)
1634
Pound-for-pound
1544
1536
Divisional
1556
1523
Striking offense
1505
1530
Striking defense
1500
Grappling offense
Grappling defense
Physical
33 yrs
Age
29 yrs
6'2"
Height
6'2"
77"
Reach
75"
Southpaw
Stance
Orthodox
Striking (UFC career)
4.81
Strikes landed / min
1.89
81%
Strike accuracy
53%
2.01
Strikes absorbed / min
3.01
58%
Strike defense
35%
Grappling (UFC career)
0.47
Takedowns / 15 min
0.00
50%
Takedown accuracy
0%
50%
Takedown defense
38%
1.4
Sub attempts / 15 min
0.7
Form & résumé
100%
UFC win rate
57%
+6
Win/loss streak
+2
100%
Last-5 win rate
60%
100%
Finish rate
75%
Recent opp. quality
140
Days since last fight
108
Recent form (last 5 UFC)
Anderson Silva
  • WDan HendersonSUB R2
    Close -1435mo before
  • WRich FranklinKO/TKO R2
    Close -2159mo before
  • WNate MarquardtKO/TKO R1
    Close -1631y before
  • WTravis LutterSUB R2
    opp missedClose -5001y 5mo before
  • WRich FranklinKO/TKO R1
    Close +1851y 9mo before
James Irvin
  • WHouston AlexanderKO/TKO R1
    Close +2334mo before
  • WLuiz CaneDQ R1
    Close +1587mo before
  • LThiago SilvaKO/TKO R1
    1y 2mo before
  • WHector RamirezKO/TKO R2
    1y 8mo before
  • LStephan BonnarSUB R1
    Close +1452y 6mo before
Silva — win / loss by method
Record: 23-4-0

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, 0 losses
W
65% of wins
L
0% of losses
Submission
3 wins, 2 losses
W
13% of wins
L
50% of losses
Decision
5 wins, 1 loss
W
22% of wins
L
25% of losses
DQ / other
0 wins, 1 loss
W
0% of wins
L
25% of losses
UFC
6win0loss0draw0NC
WinsLosses
4 (67%)KO/TKO() 0
2 (33%)Submission() 0
0 (0%)Decision() 0
Non-UFC
17win4loss0draw0NC
WinsLosses
11 (65%)KO/TKO(0%) 0
1 (6%)Submission(50%) 2
5 (29%)Decision(25%) 1
0 (0%)DQ / other(25%) 1
Irvin — win / loss by method
Record: 14-4-0, 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
10 wins, 2 losses
W
71% of wins
L
50% of losses
Submission
2 wins, 1 loss
W
14% of wins
L
25% of losses
Decision
1 win, 1 loss
W
7% of wins
L
25% of losses
DQ / other
1 win, 0 losses
W
7% of wins
L
0% of losses
UFC
4win3loss0draw0NC
WinsLosses
3 (75%)KO/TKO(67%) 2
0 (0%)Submission(33%) 1
0 (0%)Decision(0%) 0
1 (25%)DQ / other(0%) 0
Non-UFC
10win1loss0draw1NC
WinsLosses
7 (70%)KO/TKO(0%) 0
2 (20%)Submission(0%) 0
1 (10%)Decision(100%) 1

Profiles

Experience
Silva
Irvin
6
UFC fights
7
31.8 min · 5.3 avg
Octagon time
22.3 min · 3.2 avg
29y 1m
Career length
23y 2m
UFC schedule strength

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

Silva
Irvin
116W–20L · 85.3%
Overall
57W–9L · 86.4%
116W–20L · 85.3%
Wins
32W–4L · 88.9%
0W–0L
Losses
25W–5L · 83.3%
Non-UFC schedule strength
Silva
Irvin
200W–78L · 71.9%
Overall
36W–21L · 63.2%
174W–64L · 73.1%
Wins
29W–19L · 60.4%
26W–14L · 65.0%
Losses
7W–2L · 77.8%
Distance striking
Silva
Irvin
4.63
Landed / min
4.98
73.5%
Accuracy
45.2%
67.0%
Defense
48.2%
3.30
Knockdowns / 15 min
2.02
34.0%
Time at distance
25.3%
Grappling & control
Silva
Irvin
0.47
Takedowns / 15 min
0.00
50.0%
Takedown accuracy
0.0%
50.0%
Takedown defense
37.5%
1.42
Sub attempts / 15 min
0.67
29.3%
Control share
3.9%
Strike target map
Silva
  • Head59%(91)div 66%
  • Body33%(51)div 16%
  • Legs7%(11)div 18%
Irvin
  • Head38%(16)div 66%
  • Body19%(8)div 16%
  • Legs43%(18)div 18%

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

Anderson Silva
CloseSSTDKDCtrl

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

James Irvin
CloseSSTDKDCtrl

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