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UFC 129: St-Pierre vs Shields
Ivan Menjivar
Ivan Menjivar
21-8 · SLV
VS
Charlie Valencia
Charlie Valencia
12-6 · USA
April 30, 2011 · Toronto, Ontario, Canada
Bantamweight · 3 rounds
Ivan Menjivar def. Charlie Valencia by KO/TKO (Elbow), R1 1:30
Performance
Round by round
SSTDKDCtrl
R1 · 1:30
Menjivar8/240/010:13
Valencia5/100/000:00
Total
Menjivar8/240/010:13
Valencia5/100/000:00

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
MenjivarWin probabilityValencia
73.6%26.4%
KO / TKO
31%
Submission
15%
Decision
54%
Expected fight time: 10.7 min
What drives the pick

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

Predicted outcomes
Menjivar74%
Wins by
Model
Equity
Mkt
KO / TKO25%34%
Submission12%16%
Decision37%50%
Predicted output
Sig. strikes43 (2456)act 8
Takedowns0.1 (0.00.7)act 0
Valencia26%
Wins by
Model
Equity
Mkt
KO / TKO6%23%
Submission3%12%
Decision17%65%
Predicted output
Sig. strikes36 (2047)act 5
Takedowns2.1 (0.04.7)act 0
Combined totals~79 sig strikes~2.3 takedownsmkt —
How it ends
mkt —
R127%
R29%
R310%
Distance54%
Fighter props
Most sig. strikestie 1.4%
Menjivar
56.9%-136
Valencia
+13641.7%
Most takedownstie 14.8%
Menjivar
4.4%+1855
Valencia
-185580.8%
Significant strikes — over/under
Menjivar
Expected: 42.7
42.5
Over 42.5
42.8%
+134
Under 42.5
57.2%
-134
054107
Valencia
Expected: 36.2
36
Over 36
41.9%
+134
Exactly 36
1.8%
push
Under 36
56.3%
-134
04691
Takedowns — over/under
Menjivar
Expected: 0.1
0
Over 0
16.5%
Exactly 0
83.5%
push
Under 0
0.0%
035
Valencia
Expected: 2.1
2
Over 2
42.0%
-115
Exactly 2
21.7%
push
Under 2
36.4%
+115
047

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 10.7 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
Menjivar73.6%63.7%+9.9-185
Valencia26.4%36.3%−9.9+170

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
MenjivarValencia
Tale of the tape
Ratings (Elo)
1507
Pound-for-pound
1518
1523
Divisional
1518
1491
Striking offense
1482
1506
Striking defense
1500
Grappling offense
Grappling defense
Physical
28 yrs
Age
36 yrs
5'6"
Height
5'3"
64"
Reach
64"
Orthodox
Stance
Orthodox
Striking (UFC career)
0.53
Strikes landed / min
50%
Strike accuracy
0.93
Strikes absorbed / min
65%
Strike defense
Grappling (UFC career)
0.00
Takedowns / 15 min
0%
Takedown accuracy
14%
Takedown defense
2.0
Sub attempts / 15 min
Form & résumé
0%
UFC win rate
-1
Win/loss streak
0%
Last-5 win rate
Finish rate
Recent opp. quality
2506
Days since last fight
Recent form (last 5 UFC)
Ivan Menjivar
  • LMatt SerraU-DEC R3
    Close +1306y 10mo before
Charlie Valencia
No prior UFC fights.
Menjivar — win / loss by method
Record: 21-8-0

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
8 wins, 1 loss
W
38% of wins
L
13% of losses
Submission
8 wins, 1 loss
W
38% of wins
L
13% of losses
Decision
5 wins, 5 losses
W
24% of wins
L
63% of losses
DQ / other
0 wins, 1 loss
W
0% of wins
L
13% of losses
UFC
0win1loss0draw0NC
WinsLosses
0 ()KO/TKO(0%) 0
0 ()Submission(0%) 0
0 ()Decision(100%) 1
Non-UFC
21win7loss0draw0NC
WinsLosses
8 (38%)KO/TKO(14%) 1
8 (38%)Submission(14%) 1
5 (24%)Decision(57%) 4
0 (0%)DQ / other(14%) 1
Valencia — win / loss by method
Record: 12-6-0

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
2 wins, 2 losses
W
17% of wins
L
33% of losses
Submission
4 wins, 3 losses
W
33% of wins
L
50% of losses
Decision
6 wins, 1 loss
W
50% of wins
L
17% of losses
UFC
0win0loss0draw0NC
WinsLosses
0 ()KO/TKO() 0
0 ()Submission() 0
0 ()Decision() 0
Non-UFC
12win6loss0draw0NC
WinsLosses
2 (17%)KO/TKO(33%) 2
4 (33%)Submission(50%) 3
6 (50%)Decision(17%) 1

Profiles

Experience
Menjivar
Valencia
1
UFC fights
0
15.0 min · 15.0 avg
Octagon time
25y 6m
Career length
UFC schedule strength

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

Menjivar
Valencia
7W–3L · 70.0%
Overall
0W–0L
Wins
7W–3L · 70.0%
Losses
Non-UFC schedule strength
Menjivar
Valencia
221W–99L · 69.1%
Overall
182W–46L · 79.8%
127W–78L · 62.0%
Wins
91W–36L · 71.7%
94W–21L · 81.7%
Losses
91W–10L · 90.1%
Distance striking
Menjivar
Valencia
0.92
Landed / min
12.5%
Accuracy
50.0%
Defense
0.00
Knockdowns / 15 min
7.3%
Time at distance
Grappling & control
Menjivar
Valencia
0.00
Takedowns / 15 min
0.0%
Takedown accuracy
14.3%
Takedown defense
2.00
Sub attempts / 15 min
0.7%
Control share
Strike target map
Menjivar
  • Head38%(3)div 64%
  • Body63%(5)div 23%
  • Legs0%(0)div 13%
Valencia
  • Head0%(0)div 64%
  • Body0%(0)div 23%
  • Legs0%(0)div 13%
  • No strike data on record.

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

Ivan Menjivar
CloseSSTDKDCtrl

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

Charlie Valencia

No UFC fights on record.

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