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UFC Fight Night: Ribas vs. Namajunas
Julian Erosa
Julian Erosa
28-11 · USA
VS
Ricardo Ramos
Ricardo Ramos
16-5 · BRA
March 23, 2024 · Las Vegas, Nevada, USA
Featherweight · 3 rounds
146.0lb
Weigh-in
145.5lb
Julian Erosa def. Ricardo Ramos by SUB (Guillotine Choke), R1 2:15
Performance
Round by round
SSTDKDCtrl
R1 · 2:15
Erosa4/110/000:00
Ramos7/172/301:27
Total
Erosa4/110/000:00
Ramos7/172/301:27

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
ErosaWin probabilityRamos
36.2%63.8%
KO / TKO
38%
Submission
14%
Decision
47%
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 Erosa, blue toward Ramos. Tap a bar for why.

Predicted outcomes
Erosa36%
Wins by
Model
Equity
Mkt
KO / TKO16%43%14%
Submission6%17%13%
Decision14%40%13%
Predicted output
Sig. strikes49 (2067)act 4
Takedowns0.5 (0.02.1)act 0
Ramos64%
Wins by
Model
Equity
Mkt
KO / TKO23%35%25%
Submission8%13%16%
Decision33%52%19%
Predicted output
Sig. strikes56 (2375)act 7
Takedowns1.1 (0.03.7)act 2
Combined totals~105 sig strikes~1.6 takedownsmkt —
How it ends
mkt —
R123%
R222%
R38%
Distance47%
Fighter props
Most sig. strikestie 0.9%
Erosa
45.3%+119
Ramos
-11953.7%
Most takedownstie 39.6%
Erosa
19.8%+205
Ramos
-20540.6%
Significant strikes — over/under
Erosa
Expected: 49.2
49
Over 49
39.4%
+151
Exactly 49
1.0%
push
Under 49
59.6%
-151
062123
Ramos
Expected: 55.6
55.5
Over 55.5
39.8%
+151
Under 55.5
60.2%
-151
070139
Takedowns — over/under
Erosa
Expected: 0.5
0.5
Over 0.5
29.4%
+240
Under 0.5
70.6%
-240
035
Ramos
Expected: 1.1
1
Over 1
33.7%
+153
Exactly 1
14.7%
push
Under 1
51.7%
-153
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
Erosa36.2%39.0%−2.8+145
Ramos63.8%61.0%+2.8-176
By method
Erosa by KO/TKO13.9%13.8%+0.1+503
Erosa by submission5.2%12.7%−7.5+557
Erosa by decision17.1%13.3%+3.8+524
Ramos by KO/TKO24.4%25.1%−0.7+231
Ramos by submission9.2%16.2%−7.0+415
Ramos by decision30.1%18.8%+11.3+342
Total rounds (over)
Over 1.5 rds77.3%58.1%+19.2-164
Over 2.5 rds54.8%40.8%+14.0+129
Goes the distance
Fight goes to decision47.2%33.9%+13.3+176

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
62.4Striking59.4
Erosa +3.0
56.2Grappling68.3
Ramos +12.2
Str/minStr accStr defAbsorbedTD/15TD accTD defSubs
Hover a point to see the values
ErosaRamos
Tale of the tape
Ratings (Elo)
1524
Pound-for-pound
1558
1496
Divisional
1525
1519
Striking offense
1485
1449
Striking defense
1498
1508
Grappling offense
1509
1521
Grappling defense
1516
Physical
34 yrs
Age
28 yrs
6'1"
Height
5'9"
74"
Reach
72"
Southpaw
Stance
Orthodox
Striking (UFC career)
6.08
Strikes landed / min
3.21
49%
Strike accuracy
38%
6.25
Strikes absorbed / min
3.78
49%
Strike defense
57%
Grappling (UFC career)
1.75
Takedowns / 15 min
2.79
48%
Takedown accuracy
59%
62%
Takedown defense
73%
0.7
Sub attempts / 15 min
0.7
Form & résumé
46%
UFC win rate
64%
-2
Win/loss streak
-1
60%
Last-5 win rate
40%
50%
Finish rate
43%
Recent opp. quality
329
Days since last fight
182
Recent form (last 5 UFC)
Julian Erosa
  • LFernando PadillaKO/TKO R1
    Close -15211mo before
  • LAlex CaceresKO/TKO R1
    Close -1741y 3mo before
  • WHakeem DawoduU-DEC R3
    opp missedClose +1811y 6mo before
  • WSteven PetersonS-DEC R3
    opp missedClose -3102y 2mo before
  • WCharles JourdainSUB R3
    Close +1582y 7mo before
Ricardo Ramos
  • LCharles JourdainSUB R1
    Close +1186mo before
  • WDanny ChavezKO/TKO R1
    Close -3221y 9mo before
  • LZubaira TukhugovU-DEC R3
    Close +1392y 5mo before
  • WBill AlgeoU-DEC R3
    Close +1112y 10mo before
  • LLerone MurphyKO/TKO R1
    Close -1623y 8mo before
Erosa — win / loss by method
Record: 28-11-0

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
11 wins, 7 losses
W
39% of wins
L
64% of losses
Submission
12 wins, 0 losses
W
43% of wins
L
0% of losses
Decision
5 wins, 4 losses
W
18% of wins
L
36% of losses
UFC
6win7loss0draw0NC
WinsLosses
1 (17%)KO/TKO(86%) 6
2 (33%)Submission(0%) 0
3 (50%)Decision(14%) 1
Non-UFC
22win4loss0draw0NC
WinsLosses
10 (45%)KO/TKO(25%) 1
10 (45%)Submission(0%) 0
2 (9%)Decision(75%) 3
Ramos — win / loss by method
Record: 16-5-0

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, 2 losses
W
25% of wins
L
40% of losses
Submission
7 wins, 2 losses
W
44% of wins
L
40% of losses
Decision
5 wins, 1 loss
W
31% of wins
L
20% of losses
UFC
7win4loss0draw0NC
WinsLosses
2 (29%)KO/TKO(50%) 2
1 (14%)Submission(25%) 1
4 (57%)Decision(25%) 1
Non-UFC
9win1loss0draw0NC
WinsLosses
2 (22%)KO/TKO(0%) 0
6 (67%)Submission(100%) 1
1 (11%)Decision(0%) 0

Profiles

Experience
Erosa
Ramos
13
UFC fights
11
111.1 min · 8.5 avg
Octagon time
102.1 min · 9.3 avg
15y 10m
Career length
14y 2m
UFC schedule strength

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

Erosa
Ramos
158W–46L · 77.5%
Overall
132W–31L · 81.0%
74W–19L · 79.6%
Wins
79W–19L · 80.6%
84W–27L · 75.7%
Losses
53W–12L · 81.5%
Non-UFC schedule strength
Erosa
Ramos
179W–69L · 72.2%
Overall
43W–11L · 79.6%
148W–60L · 71.2%
Wins
35W–10L · 77.8%
31W–9L · 77.5%
Losses
8W–1L · 88.9%
Distance striking
Erosa
Ramos
7.58
Landed / min
3.74
44.5%
Accuracy
34.8%
51.0%
Defense
59.4%
0.13
Knockdowns / 15 min
0.44
63.4%
Time at distance
72.9%
Grappling & control
Erosa
Ramos
1.75
Takedowns / 15 min
2.79
48.1%
Takedown accuracy
59.4%
61.5%
Takedown defense
72.7%
0.67
Sub attempts / 15 min
0.73
50.3%
Control share
56.2%
Strike target map
Erosa
  • Head64%(430)div 63%
  • Body26%(179)div 20%
  • Legs10%(67)div 16%
Ramos
  • Head64%(209)div 63%
  • Body19%(63)div 20%
  • Legs17%(56)div 16%

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

Julian Erosa
CloseSSTDKDCtrl

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

Ricardo Ramos
CloseSSTDKDCtrl

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