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The Ultimate Fighter: Undefeated Finale
VS
July 6, 2018 · Las Vegas, Nevada, USA
Flyweight · 3 rounds
125.5lb
Weigh-in
125.5lb
Montana De La Rosa def. Rachael Ostovich by SUB (Rear Naked Choke), R3 4:21
Performance
Round by round
SSTDKDCtrl
R1
De La Rosa21/760/000:00
Ostovich16/450/000:00
R2
De La Rosa17/410/301:08
Ostovich17/410/000:00
R3 · 4:21
De La Rosa18/320/303:06
Ostovich7/100/000:02
Total
De La Rosa56/1490/604:14
Ostovich40/960/000:02

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
De La RosaWin probabilityOstovich
67.6%32.4%
KO / TKO
26%
Submission
30%
Decision
44%
Expected fight time: 9.7 min
What drives the pick

Each bar is a feature's push on the model from the center axis. Red pushes toward De La Rosa, blue toward Ostovich. Tap a bar for why.

Predicted outcomes
De La Rosa68%
Wins by
Model
Equity
Mkt
KO / TKO17%25%
Submission23%33%
Decision28%42%
Predicted output
Sig. strikes36 (2046)act 56
Takedowns1.3 (0.03.5)act 0
Ostovich32%
Wins by
Model
Equity
Mkt
KO / TKO9%28%
Submission8%25%
Decision15%47%
Predicted output
Sig. strikes29 (1638)act 40
Takedowns0.5 (0.01.9)act 0
Combined totals~65 sig strikes~1.8 takedownsmkt —
How it ends
mkt —
R135%
R29%
R312%
Distance44%
Fighter props
Most sig. strikestie 1.7%
De La Rosa
58.5%-147
Ostovich
+14739.8%
Most takedownstie 26.7%
De La Rosa
54.7%-293
Ostovich
+29318.6%
Significant strikes — over/under
De La Rosa
Expected: 35.7
35.5
Over 35.5
42.8%
+134
Under 35.5
57.2%
-134
04590
Ostovich
Expected: 29.0
29
Over 29
41.4%
+136
Exactly 29
2.3%
push
Under 29
56.3%
-136
03773
Takedowns — over/under
De La Rosa
Expected: 1.3
1.5
Over 1.5
45.1%
+122
Under 1.5
54.9%
-122
035
Ostovich
Expected: 0.5
0.5
Over 0.5
37.8%
+165
Under 0.5
62.2%
-165
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 9.7 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
De La Rosa67.6%57.1%+10.5-145
Ostovich32.4%42.9%−10.5+125

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
46.2Striking61.5
Ostovich +15.3
25.0Grappling100.0
Ostovich +75.0
Str/minStr accStr defAbsorbedTD/15TD accTD defSubs
Hover a point to see the values
De La RosaOstovich
Tale of the tape
Ratings (Elo)
1514
Pound-for-pound
1513
1514
Divisional
1513
1482
Striking offense
1499
1498
Striking defense
1504
1559
Grappling offense
1508
1544
Grappling defense
1507
Physical
23 yrs
Age
27 yrs
5'7"
Height
5'3"
68"
Reach
62"
Orthodox
Stance
Orthodox
Striking (UFC career)
3.00
Strikes landed / min
1.80
35%
Strike accuracy
23%
5.00
Strikes absorbed / min
1.20
41%
Strike defense
80%
Grappling (UFC career)
0.00
Takedowns / 15 min
9.00
Takedown accuracy
100%
0%
Takedown defense
100%
7.5
Sub attempts / 15 min
9.0
Form & résumé
100%
UFC win rate
100%
+1
Win/loss streak
+1
100%
Last-5 win rate
100%
100%
Finish rate
100%
Recent opp. quality
217
Days since last fight
217
Recent form (last 5 UFC)
Montana De La Rosa
  • WChristina MarksSUB R1
    Close -3607mo before
Rachael Ostovich
  • WKarine GevorgyanSUB R1
    Close -4207mo before
De La Rosa — win / loss by method
Record: 8-4-0

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, 1 loss
W
0% of wins
L
25% of losses
Submission
6 wins, 1 loss
W
75% of wins
L
25% of losses
Decision
2 wins, 2 losses
W
25% of wins
L
50% of losses
UFC
1win0loss0draw0NC
WinsLosses
0 (0%)KO/TKO() 0
1 (100%)Submission() 0
0 (0%)Decision() 0
Non-UFC
7win4loss0draw0NC
WinsLosses
0 (0%)KO/TKO(25%) 1
5 (71%)Submission(25%) 1
2 (29%)Decision(50%) 2
Ostovich — win / loss by method
Record: 4-3-0

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
0 wins, 2 losses
W
0% of wins
L
67% of losses
Submission
2 wins, 1 loss
W
50% of wins
L
33% of losses
Decision
2 wins, 0 losses
W
50% of wins
L
0% of losses
UFC
1win0loss0draw0NC
WinsLosses
0 (0%)KO/TKO() 0
1 (100%)Submission() 0
0 (0%)Decision() 0
Non-UFC
3win3loss0draw0NC
WinsLosses
0 (0%)KO/TKO(67%) 2
1 (33%)Submission(33%) 1
2 (67%)Decision(0%) 0

Profiles

Experience
De La Rosa
Ostovich
1
UFC fights
1
2.0 min · 2.0 avg
Octagon time
1.7 min · 1.7 avg
11y 11m
Career length
12y 6m
UFC schedule strength

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

De La Rosa
Ostovich
8W–8L · 50.0%
Overall
3W–2L · 60.0%
8W–8L · 50.0%
Wins
3W–2L · 60.0%
0W–0L
Losses
0W–0L
Non-UFC schedule strength
De La Rosa
Ostovich
16W–17L · 48.5%
Overall
8W–4L · 66.7%
11W–14L · 44.0%
Wins
6W–3L · 66.7%
5W–3L · 62.5%
Losses
2W–1L · 66.7%
Distance striking
De La Rosa
Ostovich
5.00
Landed / min
4.29
30.0%
Accuracy
23.1%
41.7%
Defense
80.0%
0.00
Knockdowns / 15 min
0.00
30.0%
Time at distance
42.0%
Grappling & control
De La Rosa
Ostovich
0.00
Takedowns / 15 min
9.00
Takedown accuracy
100.0%
0.0%
Takedown defense
100.0%
7.50
Sub attempts / 15 min
9.00
37.9%
Control share
62.1%
Strike target map
De La Rosa
  • Head50%(3)div 65%
  • Body33%(2)div 19%
  • Legs17%(1)div 17%
Ostovich
  • Head33%(1)div 65%
  • Body0%(0)div 19%
  • Legs67%(2)div 17%

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

Montana De La Rosa
CloseSSTDKDCtrl

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

Rachael Ostovich
CloseSSTDKDCtrl

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