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UFC Fight Night: Maynard vs Diaz
Rory MacDonald
Rory MacDonald
9-0 · CAN
VS
Mike Guymon
Mike Guymon
11-2-1 · USA
January 11, 2010 · Fairfax, Virginia, USA
Welterweight · 3 rounds
170.0lb
Weigh-in
170.0lb
Rory MacDonald def. Mike Guymon by SUB (Armbar), R1 4:27
Performance
Round by round
SSTDKDCtrl
R1 · 4:27
MacDonald8/192/302:50
Guymon6/180/300:08
Total
MacDonald8/192/302:50
Guymon6/180/300:08

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
MacDonaldWin probabilityGuymon
91.0%9.0%
KO / TKO
27%
Submission
21%
Decision
52%
Expected fight time: 10.8 min
What drives the pick

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

Predicted outcomes
MacDonald91%
Wins by
Model
Equity
Mkt
KO / TKO24%26%
Submission20%22%
Decision47%52%
Predicted output
Sig. strikes41 (2353)act 8
Takedowns1.1 (0.03.2)act 2
Guymon9%
Wins by
Model
Equity
Mkt
KO / TKO3%33%
Submission2%18%
Decision4%49%
Predicted output
Sig. strikes26 (1434)act 6
Takedowns0.2 (0.01.0)act 0
Combined totals~67 sig strikes~1.3 takedownsmkt —
How it ends
mkt —
R125%
R210%
R313%
Distance52%
Fighter props
Most sig. strikestie 1.5%
MacDonald
69.0%-233
Guymon
+23329.6%
Most takedownstie 37.3%
MacDonald
50.0%-393
Guymon
+39312.7%
Significant strikes — over/under
MacDonald
Expected: 40.8
41
Over 41
41.3%
+138
Exactly 41
1.6%
push
Under 41
57.1%
-138
051102
Guymon
Expected: 26.0
26
Over 26
41.2%
+136
Exactly 26
2.5%
push
Under 26
56.3%
-136
03365
Takedowns — over/under
MacDonald
Expected: 1.1
1
Over 1
37.1%
+117
Exactly 1
19.4%
push
Under 1
43.5%
-117
035
Guymon
Expected: 0.2
0
Over 0
23.1%
Exactly 0
76.9%
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 10.8 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
MacDonald91.0%65.0%+26.0-213
Guymon9.0%35.0%−26.0+173

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.

Tale of the tape
Ratings (Elo)
1536
Pound-for-pound
1530
1536
Divisional
1530
1500
Striking offense
1500
1500
Striking defense
1500
1500
Grappling offense
1500
1500
Grappling defense
1500
Physical
20 yrs
Age
35 yrs
6'0"
Height
6'0"
76"
Reach
74"
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)
Rory MacDonald
No prior UFC fights.
Mike Guymon
No prior UFC fights.
MacDonald — 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
4 wins, 0 losses
W
44% of wins
L
Submission
5 wins, 0 losses
W
56% of wins
L
Decision
0 wins, 0 losses
W
0% of wins
L
UFC
0win0loss0draw0NC
WinsLosses
0 ()KO/TKO() 0
0 ()Submission() 0
0 ()Decision() 0
Non-UFC
9win0loss0draw0NC
WinsLosses
4 (44%)KO/TKO() 0
5 (56%)Submission() 0
0 (0%)Decision() 0
Guymon — win / loss by method
Record: 11-2-1

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
7 wins, 0 losses
W
64% of wins
L
0% of losses
Submission
4 wins, 1 loss
W
36% of wins
L
50% of losses
Decision
0 wins, 1 loss
W
0% of wins
L
50% of losses
UFC
0win0loss0draw0NC
WinsLosses
0 ()KO/TKO() 0
0 ()Submission() 0
0 ()Decision() 0
Non-UFC
11win2loss1draw0NC
WinsLosses
7 (64%)KO/TKO(0%) 0
4 (36%)Submission(50%) 1
0 (0%)Decision(50%) 1

Profiles

Experience
MacDonald
Guymon
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.

MacDonald
Guymon
Overall
Wins
Losses
Non-UFC schedule strength
MacDonald
Guymon
52W–32L · 61.9%
Overall
95W–52L · 64.6%
52W–32L · 61.9%
Wins
74W–39L · 65.5%
0W–0L
Losses
21W–13L · 61.8%
Distance striking
MacDonald
Guymon
Landed / min
Accuracy
Defense
Knockdowns / 15 min
Time at distance
Grappling & control
MacDonald
Guymon
Takedowns / 15 min
Takedown accuracy
Takedown defense
Sub attempts / 15 min
Control share
Strike target map
MacDonald
  • Head0%(0)div 63%
  • Body0%(0)div 21%
  • Legs0%(0)div 16%
  • No strike data on record.
Guymon
  • 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.

Rory MacDonald

No UFC fights on record.

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

Mike Guymon

No UFC fights on record.

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