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UFC Fight Night: Ribas vs. Namajunas
Rose Namajunas
Rose Namajunas
11-6 · USA
VS
Amanda Ribas
Amanda Ribas
12-4 · BRA
March 23, 2024 · Las Vegas, Nevada, USA
Flyweight · 5 rounds · Main event
125.5lb
Weigh-in
125.5lb
Rose Namajunas def. Amanda Ribas by U-DEC, R5 5:00
Performance
Round by round
SSTDKDCtrl
R1
Namajunas23/340/001:55
Ribas16/472/300:18
R2
Namajunas19/390/102:00
Ribas15/490/200:00
R3
Namajunas19/360/000:24
Ribas18/502/301:20
R4
Namajunas7/251/102:40
Ribas10/390/000:00
R5
Namajunas25/540/100:00
Ribas24/850/000:00
Total
Namajunas93/1881/306:59
Ribas83/2704/801:38

Scorecards

Namajunas vs Ribas

RdJunichiro KamijoMichael BellSal D'AmatoCommunity
R110-910-910-99.9-9.1
R210-910-99-109.8-9.2
R39-109-109-109.1-9.9
R410-910-910-99.7-9.3
R510-910-910-99.4-9.7
Total49-4649-4648-4747.9-47.2

Media (17 cards) · avg 48.246.8 · 17 Namajunas · 0 Ribas

Official cards + public consensus via MMA Decisions. Per round: Namajunas-Ribas.

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
NamajunasWin probabilityRibas
49.5%50.5%
KO / TKO
29%
Submission
11%
Decision
60%
Expected fight time: 18.8 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 Namajunas, blue toward Ribas. Tap a bar for why.

Predicted outcomes
Namajunas49%
Wins by
Model
Equity
Mkt
KO / TKO14%29%34%
Submission6%12%8%
Decision29%59%24%
Predicted output
Sig. strikes78 (33106)act 93
Takedowns0.7 (0.02.7)act 1
Ribas51%
Wins by
Model
Equity
Mkt
KO / TKO15%28%7%
Submission5%10%12%
Decision31%62%15%
Predicted output
Sig. strikes82 (35111)act 83
Takedowns1.4 (0.04.3)act 4
Combined totals~160 sig strikes~2.1 takedownsmkt —
How it ends
mkt —
R114%
R212%
R37%
R44%
R53%
Distance60%
Fighter props
Most sig. strikestie 0.6%
Namajunas
47.9%+108
Ribas
-10851.5%
Most takedownstie 27.6%
Namajunas
22.1%+228
Ribas
-22850.3%
Significant strikes — over/under
Namajunas
Expected: 78.1
78
Over 78
39.5%
+152
Exactly 78
0.6%
push
Under 78
59.9%
-152
098196
Ribas
Expected: 81.9
82
Over 82
39.4%
+152
Exactly 82
0.6%
push
Under 82
60.0%
-152
0103205
Takedowns — over/under
Namajunas
Expected: 0.7
0.5
Over 0.5
38.6%
+159
Under 0.5
61.4%
-159
035
Ribas
Expected: 1.4
1.5
Over 1.5
44.5%
+125
Under 1.5
55.5%
-125
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 18.8 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
Namajunas49.5%65.7%−16.2-219
Ribas50.5%34.3%+16.2+179
By method
Namajunas by KO/TKO14.1%34.1%−20.0+145
Namajunas by submission5.5%8.0%−2.5+942
Namajunas by decision29.8%24.0%+5.8+248
Ribas by KO/TKO14.5%7.4%+7.1+1033
Ribas by submission5.6%12.0%−6.4+597
Ribas by decision30.5%14.6%+15.9+472
Total rounds (over)
Over 1.5 rds86.6%75.1%+11.5-413
Over 2.5 rds74.2%62.6%+11.6-202
Over 3.5 rds67.2%52.5%+14.7-128
Over 4.5 rds63.1%44.2%+18.9+112
Goes the distance
Fight goes to decision60.3%40.9%+19.4+129

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
65.4Striking71.9
Ribas +6.5
53.4Grappling67.7
Ribas +14.4
Str/minStr accStr defAbsorbedTD/15TD accTD defSubs
Hover a point to see the values
NamajunasRibas
Tale of the tape
Ratings (Elo)
1586
Pound-for-pound
1576
1492
Divisional
1519
1505
Striking offense
1514
1520
Striking defense
1494
1489
Grappling offense
1523
1535
Grappling defense
1538
Physical
31 yrs
Age
30 yrs
5'5"
Height
5'4"
65"
Reach
66"
Orthodox
Stance
Orthodox
Striking (UFC career)
3.68
Strikes landed / min
4.92
41%
Strike accuracy
42%
3.53
Strikes absorbed / min
3.33
63%
Strike defense
63%
Grappling (UFC career)
1.49
Takedowns / 15 min
1.99
49%
Takedown accuracy
52%
61%
Takedown defense
88%
0.5
Sub attempts / 15 min
0.8
Form & résumé
64%
UFC win rate
70%
-2
Win/loss streak
+1
60%
Last-5 win rate
60%
56%
Finish rate
43%
Recent opp. quality
203
Days since last fight
126
Recent form (last 5 UFC)
Rose Namajunas
  • LManon FiorotU-DEC R3
    Close +1607mo before
  • LCarla EsparzaS-DEC R5
    Close -2331y 11mo before
  • WZhang WeiliS-DEC R5
    Close +1022y 5mo before
  • WZhang WeiliKO/TKO R1
    Close +1682y 11mo before
  • WJessica AndradeS-DEC R3
    Close -2153y 8mo before
Amanda Ribas
  • WLuana PinheiroKO/TKO R3
    Close -2404mo before
  • LMaycee BarberKO/TKO R2
    Close -2009mo before
  • WViviane AraujoU-DEC R3
    Close -1201y 1mo before
  • LKatlyn CerminaraS-DEC R3
    Close +1501y 10mo before
  • WVirna JandirobaU-DEC R3
    Close -1682y 5mo before
Namajunas — win / loss by method
Record: 11-6-0

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
2 wins, 1 loss
W
18% of wins
L
17% of losses
Submission
5 wins, 1 loss
W
45% of wins
L
17% of losses
Decision
4 wins, 4 losses
W
36% of wins
L
67% of losses
UFC
9win5loss0draw0NC
WinsLosses
2 (22%)KO/TKO(20%) 1
3 (33%)Submission(20%) 1
4 (44%)Decision(60%) 3
Non-UFC
2win1loss0draw0NC
WinsLosses
0 (0%)KO/TKO(0%) 0
2 (100%)Submission(0%) 0
0 (0%)Decision(100%) 1
Ribas — win / loss by method
Record: 12-4-0

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
3 wins, 3 losses
W
25% of wins
L
75% of losses
Submission
4 wins, 0 losses
W
33% of wins
L
0% of losses
Decision
5 wins, 1 loss
W
42% of wins
L
25% of losses
UFC
7win3loss0draw0NC
WinsLosses
1 (14%)KO/TKO(67%) 2
2 (29%)Submission(0%) 0
4 (57%)Decision(33%) 1
Non-UFC
5win1loss0draw0NC
WinsLosses
2 (40%)KO/TKO(100%) 1
2 (40%)Submission(0%) 0
1 (20%)Decision(0%) 0

Profiles

Experience
Namajunas
Ribas
14
UFC fights
10
191.7 min · 13.7 avg
Octagon time
113.0 min · 11.3 avg
13y 7m
Career length
11y 10m
UFC schedule strength

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

Namajunas
Ribas
186W–32L · 85.3%
Overall
109W–27L · 80.1%
119W–17L · 87.5%
Wins
68W–20L · 77.3%
67W–15L · 81.7%
Losses
41W–7L · 85.4%
Non-UFC schedule strength
Namajunas
Ribas
6W–1L · 85.7%
Overall
19W–9L · 67.9%
4W–1L · 80.0%
Wins
13W–8L · 61.9%
2W–0L · 100.0%
Losses
6W–1L · 85.7%
Distance striking
Namajunas
Ribas
4.23
Landed / min
7.12
36.6%
Accuracy
39.3%
66.6%
Defense
67.7%
0.31
Knockdowns / 15 min
0.13
68.7%
Time at distance
58.4%
Grappling & control
Namajunas
Ribas
1.49
Takedowns / 15 min
1.99
48.7%
Takedown accuracy
51.7%
61.0%
Takedown defense
87.5%
0.55
Sub attempts / 15 min
0.80
70.5%
Control share
79.7%
Strike target map
Namajunas
  • Head75%(532)div 62%
  • Body16%(110)div 22%
  • Legs9%(64)div 16%
Ribas
  • Head64%(354)div 62%
  • Body18%(98)div 22%
  • Legs19%(104)div 16%

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

Rose Namajunas
CloseSSTDKDCtrl

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

Amanda Ribas
CloseSSTDKDCtrl

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