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UFC Fight Night: Evans vs Salmon
Jake O'Brien
Jake O'Brien
9-0 · USA
VS
Heath Herring
Heath Herring
26-11 · USA
January 25, 2007 · Hollywood, Florida, USA
Heavyweight · 3 rounds
234.5lb
Weigh-in
250.0lb
Jake O'Brien def. Heath Herring by U-DEC, R3 5:00
Performance
Round by round
SSTDKDCtrl
R1
O'Brien4/241/102:42
Herring3/220/010:05
R2
O'Brien8/152/203:15
Herring1/221/100:04
R3
O'Brien1/23/503:58
Herring7/170/000:32
Total
O'Brien13/416/809:55
Herring11/611/110:41

Scorecards

O'Brien vs Herring

RdJeff MullenPeter TrematerraTim VannattaCommunity
R1---10-9
R2---10-8.8
R3---9.8-9.2
Total30-2730-2729-2829.8-27

Media (1 card) · avg 3027 · 1 O'Brien · 0 Herring

Official cards + public consensus via MMA Decisions. Per round: O'Brien-Herring.

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
O'BrienWin probabilityHerring
59.2%40.8%
KO / TKO
45%
Submission
13%
Decision
41%
Expected fight time: 9.3 min
What drives the pick

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

Predicted outcomes
O'Brien59%
Wins by
Model
Equity
Mkt
KO / TKO28%48%
Submission4%6%
Decision27%46%
Predicted output
Sig. strikes22 (1228)act 13
Takedowns2.1 (0.05.0)act 6
Herring41%
Wins by
Model
Equity
Mkt
KO / TKO17%41%
Submission10%24%
Decision14%35%
Predicted output
Sig. strikes24 (1331)act 11
Takedowns0.2 (0.00.6)act 1
Combined totals~45 sig strikes~2.3 takedownsmkt —
How it ends
mkt —
R135%
R215%
R39%
Distance41%
Fighter props
Most sig. strikestie 2.4%
O'Brien
44.6%+119
Herring
-11953.0%
Most takedownstie 25.2%
O'Brien
69.0%-1188
Herring
+11885.8%
Significant strikes — over/under
O'Brien
Expected: 21.6
21.5
Over 21.5
42.9%
+133
Under 21.5
57.1%
-133
02855
Herring
Expected: 23.8
24
Over 24
40.5%
+140
Exactly 24
2.7%
push
Under 24
56.8%
-140
03060
Takedowns — over/under
O'Brien
Expected: 2.1
2
Over 2
40.5%
+106
Exactly 2
16.6%
push
Under 2
42.8%
-106
047
Herring
Expected: 0.2
0
Over 0
14.5%
Exactly 0
85.5%
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 9.3 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
Final
ModelMarketGapLine
To win
O'Brien59.2%22.3%+36.9+325
Herring40.8%77.7%−36.9-450

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
O'BrienHerring
Tale of the tape
Ratings (Elo)
1554
Pound-for-pound
1536
1554
Divisional
1536
1475
Striking offense
1500
1502
Striking defense
1500
1560
Grappling offense
1500
1560
Grappling defense
1500
Physical
22 yrs
Age
28 yrs
6'3"
Height
6'4"
76"
Reach
78"
Orthodox
Stance
Orthodox
Striking (UFC career)
1.82
Strikes landed / min
46%
Strike accuracy
0.72
Strikes absorbed / min
70%
Strike defense
Grappling (UFC career)
9.35
Takedowns / 15 min
81%
Takedown accuracy
Takedown defense
0.0
Sub attempts / 15 min
Form & résumé
100%
UFC win rate
+2
Win/loss streak
100%
Last-5 win rate
50%
Finish rate
Recent opp. quality
68
Days since last fight
Recent form (last 5 UFC)
Jake O'Brien
  • WJosh ShockmanU-DEC R3
    2mo before
  • WKristof MidouxKO/TKO R2
    Close -4005mo before
Heath Herring
No prior UFC fights.
O'Brien — win / loss by method
Record: 9-0-0

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
7 wins, 0 losses
W
78% of wins
L
Submission
1 win, 0 losses
W
11% of wins
L
Decision
1 win, 0 losses
W
11% of wins
L
UFC
2win0loss0draw0NC
WinsLosses
1 (50%)KO/TKO() 0
0 (0%)Submission() 0
1 (50%)Decision() 0
Non-UFC
7win0loss0draw0NC
WinsLosses
6 (86%)KO/TKO() 0
1 (14%)Submission() 0
0 (0%)Decision() 0
Herring — win / loss by method
Record: 26-11-0, 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, 5 losses
W
38% of wins
L
45% of losses
Submission
13 wins, 1 loss
W
50% of wins
L
9% of losses
Decision
2 wins, 5 losses
W
8% of wins
L
45% of losses
DQ / other
1 win, 0 losses
W
4% of wins
L
0% of losses
UFC
0win0loss0draw0NC
WinsLosses
0 ()KO/TKO() 0
0 ()Submission() 0
0 ()Decision() 0
Non-UFC
26win11loss0draw1NC
WinsLosses
10 (38%)KO/TKO(45%) 5
13 (50%)Submission(9%) 1
2 (8%)Decision(45%) 5
1 (4%)DQ / other(0%) 0

Profiles

Experience
O'Brien
Herring
2
UFC fights
0
20.9 min · 10.4 avg
Octagon time
21y 2m
Career length
UFC schedule strength

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

O'Brien
Herring
8W–5L · 61.5%
Overall
8W–5L · 61.5%
Wins
0W–0L
Losses
Non-UFC schedule strength
O'Brien
Herring
29W–48L · 37.7%
Overall
333W–117L · 74.0%
29W–48L · 37.7%
Wins
207W–93L · 69.0%
0W–0L
Losses
126W–24L · 84.0%
Distance striking
O'Brien
Herring
0.00
Landed / min
0.0%
Accuracy
72.9%
Defense
0.00
Knockdowns / 15 min
24.9%
Time at distance
Grappling & control
O'Brien
Herring
9.35
Takedowns / 15 min
81.3%
Takedown accuracy
Takedown defense
0.00
Sub attempts / 15 min
97.2%
Control share
Strike target map
O'Brien
  • Head97%(37)div 66%
  • Body3%(1)div 17%
  • Legs0%(0)div 17%
Herring
  • Head0%(0)div 66%
  • Body0%(0)div 17%
  • Legs0%(0)div 17%
  • No strike data on record.

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

Jake O'Brien
CloseSSTDKDCtrl

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

Heath Herring

No UFC fights on record.

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