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UFC Fight Night: Covington vs. Woodley
VS
September 19, 2020 · Las Vegas, Nevada, USA
Flyweight · 3 rounds
125.5lb
Weigh-in
125.0lb
Mayra Bueno Silva def. Mara Romero Borella by SUB (Armbar), R1 2:29
Performance
Round by round
SSTDKDCtrl
R1 · 2:29
Bueno Silva2/70/000:00
Romero Borella6/91/202:00
Total
Bueno Silva2/70/000:00
Romero Borella6/91/202:00

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
Bueno SilvaWin probabilityRomero Borella
65.1%34.9%
KO / TKO
35%
Submission
15%
Decision
50%
Expected fight time: 10.3 min
Retrospective pick: the walk-forward model's call at the time of the fight — persisted out-of-sample, with no hindsight about the result.
What drives the pick

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

Predicted outcomes
Bueno Silva65%
Wins by
Model
Equity
Mkt
KO / TKO23%36%
Submission11%16%
Decision31%48%
Predicted output
Sig. strikes40 (1755)act 2
Takedowns1.4 (0.04.3)act 0
Romero Borella35%
Wins by
Model
Equity
Mkt
KO / TKO12%34%
Submission4%12%
Decision19%54%
Predicted output
Sig. strikes42 (1757)act 6
Takedowns0.6 (0.02.4)act 1
Combined totals~83 sig strikes~2.0 takedownsmkt —
How it ends
mkt —
R128%
R213%
R39%
Distance50%
Fighter props
Most sig. strikestie 1.1%
Bueno Silva
47.6%+108
Romero Borella
-10851.2%
Most takedownstie 25.7%
Bueno Silva
51.7%-229
Romero Borella
+22922.6%
Significant strikes — over/under
Bueno Silva
Expected: 40.2
40
Over 40
39.4%
+150
Exactly 40
1.2%
push
Under 40
59.3%
-150
051101
Romero Borella
Expected: 42.3
42.5
Over 42.5
39.5%
+153
Under 42.5
60.5%
-153
053106
Takedowns — over/under
Bueno Silva
Expected: 1.4
1.5
Over 1.5
45.9%
+118
Under 1.5
54.1%
-118
035
Romero Borella
Expected: 0.6
0.5
Over 0.5
43.8%
+128
Under 0.5
56.2%
-128
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 10.3 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
Bueno Silva65.1%69.5%−4.4-275
Romero Borella34.9%30.5%+4.4+210

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
59.0Striking64.7
Romero Borella +5.8
29.6Grappling49.7
Romero Borella +20.1
Str/minStr accStr defAbsorbedTD/15TD accTD defSubs
Hover a point to see the values
Bueno SilvaRomero Borella
Tale of the tape
Ratings (Elo)
1517
Pound-for-pound
1480
1517
Divisional
1482
Striking offense
Striking defense
1551
Grappling offense
1503
1539
Grappling defense
1505
Physical
29 yrs
Age
34 yrs
5'6"
Height
5'6"
66"
Reach
69"
Orthodox
Stance
Orthodox
Striking (UFC career)
4.97
Strikes landed / min
2.54
56%
Strike accuracy
37%
7.53
Strikes absorbed / min
2.54
43%
Strike defense
71%
Grappling (UFC career)
0.00
Takedowns / 15 min
1.66
Takedown accuracy
44%
73%
Takedown defense
67%
0.8
Sub attempts / 15 min
0.2
Form & résumé
50%
UFC win rate
33%
-1
Win/loss streak
-3
50%
Last-5 win rate
20%
100%
Finish rate
50%
Recent opp. quality
189
Days since last fight
126
Recent form (last 5 UFC)
Mayra Bueno Silva
  • LMaryna MorozU-DEC R3
    Close -1406mo before
  • WGillian RobertsonSUB R1
    Close +1202y before
Mara Romero Borella
  • LCortney CaseySUB R1
    Close +1604mo before
  • LMontana De La RosaU-DEC R3
    Close +1557mo before
  • LLauren MurphyKO/TKO R3
    Close -2201y 2mo before
  • WTaila SantosS-DEC R3
    Close +1851y 8mo before
  • LKatlyn CerminaraU-DEC R3
    Close +1302y 8mo before
Bueno Silva — win / loss by method
Record: 6-1-0

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
1 win, 0 losses
W
17% of wins
L
0% of losses
Submission
4 wins, 0 losses
W
67% of wins
L
0% of losses
Decision
1 win, 1 loss
W
17% of wins
L
100% of losses
UFC
1win1loss0draw0NC
WinsLosses
0 (0%)KO/TKO(0%) 0
1 (100%)Submission(0%) 0
0 (0%)Decision(100%) 1
Non-UFC
5win0loss0draw0NC
WinsLosses
1 (20%)KO/TKO() 0
3 (60%)Submission() 0
1 (20%)Decision() 0
Romero Borella — win / loss by method
Record: 12-8-0, 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
50% of losses
Submission
4 wins, 2 losses
W
33% of wins
L
25% of losses
Decision
5 wins, 2 losses
W
42% of wins
L
25% of losses
UFC
2win4loss0draw0NC
WinsLosses
0 (0%)KO/TKO(25%) 1
1 (50%)Submission(25%) 1
1 (50%)Decision(50%) 2
Non-UFC
10win4loss0draw2NC
WinsLosses
3 (30%)KO/TKO(75%) 3
3 (30%)Submission(25%) 1
4 (40%)Decision(0%) 0

Profiles

Experience
Bueno Silva
Romero Borella
2
UFC fights
6
19.9 min · 10.0 avg
Octagon time
63.3 min · 10.5 avg
11y 5m
Career length
12y 5m
UFC schedule strength

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

Bueno Silva
Romero Borella
14W–5L · 73.7%
Overall
70W–22L · 76.1%
5W–2L · 71.4%
Wins
33W–5L · 86.8%
9W–3L · 75.0%
Losses
37W–17L · 68.5%
Non-UFC schedule strength
Bueno Silva
Romero Borella
19W–1L · 95.0%
Overall
44W–24L · 64.7%
19W–1L · 95.0%
Wins
23W–16L · 59.0%
0W–0L
Losses
21W–8L · 72.4%
Distance striking
Bueno Silva
Romero Borella
7.27
Landed / min
3.98
51.3%
Accuracy
33.7%
46.4%
Defense
75.9%
0.00
Knockdowns / 15 min
0.00
53.9%
Time at distance
52.8%
Grappling & control
Bueno Silva
Romero Borella
0.00
Takedowns / 15 min
1.66
Takedown accuracy
43.8%
72.7%
Takedown defense
66.7%
0.75
Sub attempts / 15 min
0.24
12.2%
Control share
52.0%
Strike target map
Bueno Silva
  • Head55%(54)div 61%
  • Body22%(22)div 21%
  • Legs23%(23)div 18%
Romero Borella
  • Head59%(95)div 61%
  • Body9%(14)div 21%
  • Legs32%(52)div 18%

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

Mayra Bueno Silva
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.