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UFC 31: Locked and Loaded
BJ Penn
BJ Penn
16-14-2 · USA
VS
Joey Gilbert
Joey Gilbert
1-1-1 · USA
May 4, 2001 · Atlantic City, New Jersey, USA
Lightweight · 3 rounds
BJ Penn def. Joey Gilbert by KO/TKO (Punches), R1 4:57
Performance
Round by round
SSTDKDCtrl
R1 · 4:57
Penn22/322/204:31
Gilbert3/70/100:06
Total
Penn22/322/204:31
Gilbert3/70/100:06

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
PennWin probabilityGilbert
73.0%27.0%
KO / TKO
6%
Submission
75%
Decision
19%
Expected fight time: 5.3 min
What drives the pick

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

Predicted outcomes
Penn73%
Wins by
Model
Equity
Mkt
KO / TKO4%6%
Submission56%76%
Decision13%18%
Predicted output
Sig. strikes27 (1535)act 22
Takedowns0.6 (0.01.9)act 2
Gilbert27%
Wins by
Model
Equity
Mkt
KO / TKO2%6%
Submission19%72%
Decision6%22%
Predicted output
Sig. strikes30 (1638)act 3
Takedowns0.0 (0.00.1)act 0
Combined totals~56 sig strikes~0.6 takedownsmkt —
How it ends
mkt —
R176%
R21%
R34%
Distance19%
Fighter props
Most sig. strikestie 1.9%
Penn
44.4%+121
Gilbert
-12153.7%
Most takedownstie 13.1%
Penn
85.0%-4513
Gilbert
+45131.9%
Significant strikes — over/under
Penn
Expected: 26.7
26.5
Over 26.5
42.9%
+133
Under 26.5
57.1%
-133
03467
Gilbert
Expected: 29.6
29.5
Over 29.5
42.6%
+135
Under 29.5
57.4%
-135
03774
Takedowns — over/under
Penn
Expected: 0.6
0.5
Over 0.5
92.3%
-1195
Under 0.5
7.7%
+1195
035
Gilbert
Expected: 0.0
0
Over 0
11.2%
Exactly 0
88.8%
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 5.3 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

No market on record for this bout.

Tale of the tape
Ratings (Elo)
1500
Pound-for-pound
1497
1500
Divisional
1497
Striking offense
Striking defense
1561
Grappling offense
1480
1558
Grappling defense
1500
Physical
22 yrs
Age
24 yrs
5'9"
Height
5'11"
70"
Reach
Orthodox
Stance
Orthodox
Striking (UFC career)
Strikes landed / min
Strike accuracy
Strikes absorbed / min
Strike defense
Grappling (UFC career)
Takedowns / 15 min
Takedown accuracy
Takedown defense
Sub attempts / 15 min
Form & résumé
UFC win rate
Win/loss streak
Last-5 win rate
Finish rate
Recent opp. quality
Days since last fight
Recent form (last 5 UFC)
BJ Penn
No prior UFC fights.
Joey Gilbert
No prior UFC fights.
Penn — win / loss by method
Record: 0-0-0

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
0 wins, 0 losses
W
L
Submission
0 wins, 0 losses
W
L
Decision
0 wins, 0 losses
W
L
UFC
0win0loss0draw0NC
WinsLosses
0 ()KO/TKO() 0
0 ()Submission() 0
0 ()Decision() 0
Non-UFC
0win0loss0draw0NC
WinsLosses
0 ()KO/TKO() 0
0 ()Submission() 0
0 ()Decision() 0
Gilbert — win / loss by method
Record: 1-1-1

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
0 wins, 0 losses
W
0% of wins
L
0% of losses
Submission
0 wins, 1 loss
W
0% of wins
L
100% of losses
Decision
1 win, 0 losses
W
100% of wins
L
0% of losses
UFC
0win0loss0draw0NC
WinsLosses
0 ()KO/TKO() 0
0 ()Submission() 0
0 ()Decision() 0
Non-UFC
1win1loss1draw0NC
WinsLosses
0 (0%)KO/TKO(0%) 0
0 (0%)Submission(100%) 1
1 (100%)Decision(0%) 0

Profiles

Experience
Penn
Gilbert
0
UFC fights
0
Octagon time
Career length
UFC schedule strength

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

Penn
Gilbert
Overall
Wins
Losses
Non-UFC schedule strength
Penn
Gilbert
Overall
8W–0L · 100.0%
Wins
0W–0L
Losses
8W–0L · 100.0%
Distance striking
Penn
Gilbert
Landed / min
Accuracy
Defense
Knockdowns / 15 min
Time at distance
Grappling & control
Penn
Gilbert
Takedowns / 15 min
Takedown accuracy
Takedown defense
Sub attempts / 15 min
Control share
Strike target map
Penn
  • Head0%(0)div 59%
  • Body0%(0)div 26%
  • Legs0%(0)div 15%
  • No strike data on record.
Gilbert
  • Head0%(0)div 59%
  • Body0%(0)div 26%
  • Legs0%(0)div 15%
  • No strike data on record.

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

BJ Penn

No UFC fights on record.

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

Joey Gilbert

No UFC fights on record.

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