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UFC Fight Night: Overeem vs. Harris
Cortney Casey
Cortney Casey
8-7 · USA
VS
May 16, 2020 · Jacksonville, Florida, USA
Flyweight · 3 rounds
126.0lb
Weigh-in
125.5lb
Cortney Casey def. Mara Romero Borella by SUB (Armbar), R1 3:36
Performance
Round by round
SSTDKDCtrl
R1 · 3:36
Casey6/120/000:00
Romero Borella5/71/202:55
Total
Casey6/120/000:00
Romero Borella5/71/202:55

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
CaseyWin probabilityRomero Borella
44.0%56.0%
KO / TKO
24%
Submission
17%
Decision
59%
Expected fight time: 11.4 min
What drives the pick

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

Predicted outcomes
Casey44%
Wins by
Model
Equity
Mkt
KO / TKO12%27%
Submission7%16%
Decision25%57%
Predicted output
Sig. strikes42 (2455)act 6
Takedowns0.2 (0.01.0)act 0
Romero Borella56%
Wins by
Model
Equity
Mkt
KO / TKO12%22%
Submission10%17%
Decision34%61%
Predicted output
Sig. strikes40 (2353)act 5
Takedowns1.1 (0.03.3)act 1
Combined totals~82 sig strikes~1.4 takedownsmkt —
How it ends
mkt —
R120%
R212%
R39%
Distance59%
Fighter props
Most sig. strikestie 1.3%
Casey
51.3%-108
Romero Borella
+10847.4%
Most takedownstie 36.2%
Casey
10.7%+494
Romero Borella
-49453.1%
Significant strikes — over/under
Casey
Expected: 42.1
42
Over 42
41.9%
+135
Exactly 42
1.6%
push
Under 42
56.6%
-135
053106
Romero Borella
Expected: 40.4
40.5
Over 40.5
42.3%
+137
Under 40.5
57.7%
-137
051101
Takedowns — over/under
Casey
Expected: 0.2
0
Over 0
19.3%
Exactly 0
80.7%
push
Under 0
0.0%
035
Romero Borella
Expected: 1.1
1
Over 1
39.0%
+105
Exactly 1
20.0%
push
Under 1
41.0%
-105
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 11.4 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
Casey44.0%62.8%−18.8-185
Romero Borella56.0%37.2%+18.8+160

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
60.4Striking64.6
Romero Borella +4.2
32.1Grappling48.7
Romero Borella +16.6
Str/minStr accStr defAbsorbedTD/15TD accTD defSubs
Hover a point to see the values
CaseyRomero Borella
Tale of the tape
Ratings (Elo)
1488
Pound-for-pound
1496
1507
Divisional
1497
1507
Striking offense
1489
1504
Striking defense
1503
1474
Grappling offense
1496
1516
Grappling defense
1512
Physical
33 yrs
Age
33 yrs
5'7"
Height
5'6"
67"
Reach
69"
Orthodox
Stance
Orthodox
Striking (UFC career)
4.80
Strikes landed / min
2.61
39%
Strike accuracy
37%
4.73
Strikes absorbed / min
2.60
53%
Strike defense
72%
Grappling (UFC career)
0.35
Takedowns / 15 min
1.51
30%
Takedown accuracy
43%
39%
Takedown defense
67%
0.5
Sub attempts / 15 min
0.3
Form & résumé
40%
UFC win rate
40%
-1
Win/loss streak
-2
40%
Last-5 win rate
40%
50%
Finish rate
50%
Recent opp. quality
454
Days since last fight
91
Recent form (last 5 UFC)
Cortney Casey
  • LCynthia CalvilloU-DEC R3
    Close +2951y 3mo before
  • WAngela HillS-DEC R3
    Close +1151y 9mo before
  • LMichelle Waterson-GomezS-DEC R3
    Close -1652y 1mo before
  • LFelice HerrigS-DEC R3
    Close -1052y 5mo before
  • WJessica AguilarU-DEC R3
    Close -1603y before
Mara Romero Borella
  • LMontana De La RosaU-DEC R3
    Close +1553mo before
  • LLauren MurphyKO/TKO R3
    Close -2209mo before
  • WTaila SantosS-DEC R3
    Close +1851y 3mo before
  • LKatlyn CerminaraU-DEC R3
    Close +1302y 4mo before
  • WKalindra FariaSUB R1
    Close +2152y 7mo before
Casey — win / loss by method
Record: 8-7-0

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
3 wins, 0 losses
W
38% of wins
L
0% of losses
Submission
3 wins, 1 loss
W
38% of wins
L
14% of losses
Decision
2 wins, 6 losses
W
25% of wins
L
86% of losses
UFC
4win6loss0draw0NC
WinsLosses
1 (25%)KO/TKO(0%) 0
1 (25%)Submission(0%) 0
2 (50%)Decision(100%) 6
Non-UFC
4win1loss0draw0NC
WinsLosses
2 (50%)KO/TKO(0%) 0
2 (50%)Submission(100%) 1
0 (0%)Decision(0%) 0
Romero Borella — win / loss by method
Record: 12-7-0, 2 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
3 wins, 4 losses
W
25% of wins
L
57% of losses
Submission
4 wins, 1 loss
W
33% of wins
L
14% of losses
Decision
5 wins, 2 losses
W
42% of wins
L
29% of losses
UFC
2win3loss0draw0NC
WinsLosses
0 (0%)KO/TKO(33%) 1
1 (50%)Submission(0%) 0
1 (50%)Decision(67%) 2
Non-UFC
10win4loss0draw2NC
WinsLosses
3 (30%)KO/TKO(75%) 3
3 (30%)Submission(25%) 1
4 (40%)Decision(0%) 0

Profiles

Experience
Casey
Romero Borella
10
UFC fights
5
127.2 min · 12.7 avg
Octagon time
59.7 min · 11.9 avg
13y 1m
Career length
12y 5m
UFC schedule strength

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

Casey
Romero Borella
110W–35L · 75.9%
Overall
62W–15L · 80.5%
38W–13L · 74.5%
Wins
33W–5L · 86.8%
72W–22L · 76.6%
Losses
29W–10L · 74.4%
Non-UFC schedule strength
Casey
Romero Borella
13W–9L · 59.1%
Overall
44W–24L · 64.7%
12W–8L · 60.0%
Wins
23W–16L · 59.0%
1W–1L · 50.0%
Losses
21W–8L · 72.4%
Distance striking
Casey
Romero Borella
6.06
Landed / min
3.98
33.6%
Accuracy
33.5%
56.3%
Defense
75.9%
0.00
Knockdowns / 15 min
0.00
59.5%
Time at distance
55.2%
Grappling & control
Casey
Romero Borella
0.35
Takedowns / 15 min
1.51
30.0%
Takedown accuracy
42.9%
38.7%
Takedown defense
66.7%
0.47
Sub attempts / 15 min
0.25
17.7%
Control share
46.5%
Strike target map
Casey
  • Head70%(425)div 61%
  • Body10%(61)div 21%
  • Legs20%(125)div 18%
Romero Borella
  • Head60%(93)div 61%
  • Body8%(13)div 21%
  • Legs32%(50)div 18%

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

Cortney Casey
CloseSSTDKDCtrl

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

Mara Romero Borella
CloseSSTDKDCtrl

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