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UFC 126: Silva vs Belfort
Mike Pierce
Mike Pierce
11-3 · USA
VS
Kenny Robertson
Kenny Robertson
10-0 · USA
February 5, 2011 · Las Vegas, Nevada, USA
Welterweight · 3 rounds
172.0lbMissed +1.0
Weigh-in
170.0lb
Mike Pierce def. Kenny Robertson by KO/TKO (Punches), R2 0:29
Performance
Round by round
SSTDKDCtrl
R1
Pierce9/232/403:48
Robertson12/310/000:13
R2 · 0:29
Pierce10/140/010:10
Robertson0/50/000:00
Total
Pierce19/372/413:58
Robertson12/360/000:13

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
PierceWin probabilityRobertson
30.3%69.7%
KO / TKO
24%
Submission
11%
Decision
64%
Expected fight time: 11.5 min
What drives the pick

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

Predicted outcomes
Pierce30%
Wins by
Model
Equity
Mkt
KO / TKO8%26%
Submission1%4%
Decision21%70%
Predicted output
Sig. strikes35 (1945)act 19
Takedowns1.4 (0.03.8)act 2
Robertson70%
Wins by
Model
Equity
Mkt
KO / TKO16%24%
Submission10%14%
Decision44%62%
Predicted output
Sig. strikes34 (1944)act 12
Takedowns0.4 (0.01.7)act 0
Combined totals~68 sig strikes~1.8 takedownsmkt —
How it ends
mkt —
R121%
R211%
R34%
Distance64%
Fighter props
Most sig. strikestie 1.6%
Pierce
51.0%-107
Robertson
+10747.4%
Most takedownstie 28.0%
Pierce
56.8%-375
Robertson
+37515.2%
Significant strikes — over/under
Pierce
Expected: 34.8
35
Over 35
41.2%
+138
Exactly 35
1.9%
push
Under 35
56.9%
-138
04488
Robertson
Expected: 33.5
33.5
Over 33.5
42.5%
+135
Under 33.5
57.5%
-135
04284
Takedowns — over/under
Pierce
Expected: 1.4
1.5
Over 1.5
46.5%
+115
Under 1.5
53.5%
-115
035
Robertson
Expected: 0.4
0.5
Over 0.5
30.2%
+231
Under 0.5
69.8%
-231
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 11.5 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
Pierce30.3%67.9%−37.6-240
Robertson69.7%32.1%+37.6+200

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
Str/minStr accStr defAbsorbedTD/15TD accTD defSubs
Hover a point to see the values
PierceRobertson
Tale of the tape
Ratings (Elo)
1556
Pound-for-pound
1534
1556
Divisional
1534
1472
Striking offense
1482
1510
Striking defense
1500
1540
Grappling offense
1561
1536
Grappling defense
1558
Physical
30 yrs
Age
26 yrs
5'8"
Height
5'10"
71"
Reach
74"
Orthodox
Stance
Orthodox
Striking (UFC career)
2.60
Strikes landed / min
43%
Strike accuracy
1.50
Strikes absorbed / min
68%
Strike defense
Grappling (UFC career)
4.38
Takedowns / 15 min
59%
Takedown accuracy
60%
Takedown defense
0.5
Sub attempts / 15 min
Form & résumé
75%
UFC win rate
+2
Win/loss streak
75%
Last-5 win rate
33%
Finish rate
Recent opp. quality
161
Days since last fight
Recent form (last 5 UFC)
Mike Pierce
  • WAmilcar AlvesSUB R3
    Close -3255mo before
  • WJulio PaulinoU-DEC R3
    Close -42011mo before
  • LJon FitchU-DEC R3
    Close +3851y 2mo before
  • WBrock LarsonU-DEC R3
    Close +4231y 5mo before
Kenny Robertson
No prior UFC fights.
Pierce — win / loss by method
Record: 11-3-0

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, 0 losses
W
45% of wins
L
0% of losses
Submission
1 win, 0 losses
W
9% of wins
L
0% of losses
Decision
5 wins, 3 losses
W
45% of wins
L
100% of losses
UFC
3win1loss0draw0NC
WinsLosses
0 (0%)KO/TKO(0%) 0
1 (33%)Submission(0%) 0
2 (67%)Decision(100%) 1
Non-UFC
8win2loss0draw0NC
WinsLosses
5 (63%)KO/TKO(0%) 0
0 (0%)Submission(0%) 0
3 (38%)Decision(100%) 2
Robertson — win / loss by method
Record: 10-0-0

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
20% of wins
L
Submission
7 wins, 0 losses
W
70% of wins
L
Decision
1 win, 0 losses
W
10% of wins
L
UFC
0win0loss0draw0NC
WinsLosses
0 ()KO/TKO() 0
0 ()Submission() 0
0 ()Decision() 0
Non-UFC
10win0loss0draw0NC
WinsLosses
2 (20%)KO/TKO() 0
7 (70%)Submission() 0
1 (10%)Decision() 0

Profiles

Experience
Pierce
Robertson
4
UFC fights
0
58.2 min · 14.5 avg
Octagon time
19y 2m
Career length
UFC schedule strength

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

Pierce
Robertson
79W–8L · 90.8%
Overall
58W–5L · 92.1%
Wins
21W–3L · 87.5%
Losses
Non-UFC schedule strength
Pierce
Robertson
70W–40L · 63.6%
Overall
44W–22L · 66.7%
65W–40L · 61.9%
Wins
44W–22L · 66.7%
5W–0L · 100.0%
Losses
0W–0L
Distance striking
Pierce
Robertson
3.76
Landed / min
22.5%
Accuracy
70.8%
Defense
0.00
Knockdowns / 15 min
19.2%
Time at distance
Grappling & control
Pierce
Robertson
4.38
Takedowns / 15 min
58.6%
Takedown accuracy
60.0%
Takedown defense
0.52
Sub attempts / 15 min
88.3%
Control share
Strike target map
Pierce
  • Head50%(75)div 63%
  • Body23%(34)div 21%
  • Legs28%(42)div 16%
Robertson
  • Head0%(0)div 63%
  • Body0%(0)div 21%
  • Legs0%(0)div 16%
  • No strike data on record.

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

Mike Pierce
CloseSSTDKDCtrl

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

Kenny Robertson

No UFC fights on record.

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