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UFC 221: Romero vs. Rockhold
Ross Pearson
Ross Pearson
19-14 · GBR
VS
Mizuto Hirota
Mizuto Hirota
18-8-2 · JPN
February 10, 2018 · Perth, Western Australia, Australia
Lightweight · 3 rounds
156.0lb
Weigh-in
156.0lb
Ross Pearson def. Mizuto Hirota by U-DEC, R3 5:00
Performance
Round by round
SSTDKDCtrl
R1
Pearson16/520/000:00
Hirota17/470/100:00
R2
Pearson19/540/000:00
Hirota34/910/000:06
R3
Pearson23/700/000:00
Hirota26/750/000:00
Total
Pearson58/1760/000:00
Hirota77/2130/100:06

Scorecards

Pearson vs Hirota

RdCharlie KeechEvan FieldHowie BoothCommunity
R110-910-9-9.9-9.1
R210-910-9-9.2-9.8
R310-910-9-9.9-9.2
Total30-2730-2729-2829-28.1

Media (19 cards) · avg 29.227.9 · 18 Pearson · 0 Hirota · 1 draw

Official cards + public consensus via MMA Decisions. Per round: Pearson-Hirota.

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
PearsonWin probabilityHirota
37.1%62.9%
KO / TKO
27%
Submission
4%
Decision
69%
Expected fight time: 12.6 min
What drives the pick

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

Predicted outcomes
Pearson37%
Wins by
Model
Equity
Mkt
KO / TKO9%25%
Submission3%9%
Decision25%66%
Predicted output
Sig. strikes56 (3273)act 58
Takedowns0.3 (0.01.1)act 0
Hirota63%
Wins by
Model
Equity
Mkt
KO / TKO18%28%
Submission1%1%
Decision44%71%
Predicted output
Sig. strikes61 (3479)act 77
Takedowns0.4 (0.01.8)act 0
Combined totals~116 sig strikes~0.7 takedownsmkt —
How it ends
mkt —
R110%
R212%
R39%
Distance69%
Fighter props
Most sig. strikestie 1.0%
Pearson
45.5%+117
Hirota
-11753.5%
Most takedownstie 55.2%
Pearson
16.5%+171
Hirota
-17128.3%
Significant strikes — over/under
Pearson
Expected: 55.8
56
Over 56
41.6%
+137
Exactly 56
1.2%
push
Under 56
57.2%
-137
070140
Hirota
Expected: 60.7
60.5
Over 60.5
42.7%
+134
Under 60.5
57.3%
-134
076152
Takedowns — over/under
Pearson
Expected: 0.3
0.5
Over 0.5
21.3%
+369
Under 0.5
78.7%
-369
035
Hirota
Expected: 0.4
0.5
Over 0.5
32.8%
+204
Under 0.5
67.2%
-204
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 12.6 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
Pearson37.1%59.6%−22.5-160
Hirota62.9%40.4%+22.5+140

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
64.9Striking59.0
Pearson +5.9
42.7Grappling47.0
Hirota +4.3
Str/minStr accStr defAbsorbedTD/15TD accTD defSubs
Hover a point to see the values
PearsonHirota
Tale of the tape
Ratings (Elo)
1509
Pound-for-pound
1494
1522
Divisional
1520
1505
Striking offense
1497
1513
Striking defense
1509
1458
Grappling offense
1493
1545
Grappling defense
1508
Physical
33 yrs
Age
36 yrs
5'8"
Height
5'7"
69"
Reach
67"
Orthodox
Stance
Orthodox
Striking (UFC career)
3.58
Strikes landed / min
3.61
41%
Strike accuracy
41%
3.72
Strikes absorbed / min
3.80
64%
Strike defense
49%
Grappling (UFC career)
0.83
Takedowns / 15 min
1.80
38%
Takedown accuracy
47%
76%
Takedown defense
59%
0.0
Sub attempts / 15 min
0.0
Form & résumé
48%
UFC win rate
25%
-4
Win/loss streak
-1
20%
Last-5 win rate
20%
45%
Finish rate
0%
Recent opp. quality
245
Days since last fight
245
Recent form (last 5 UFC)
Ross Pearson
  • LDan HookerKO/TKO R2
    Close +1258mo before
  • LStevie RayS-DEC R3
    Close -1051y 3mo before
  • LJorge MasvidalU-DEC R3
    Close +2251y 6mo before
  • LWill BrooksU-DEC R3
    Close +3051y 7mo before
  • WChad LapriseS-DEC R3
    Close -1051y 11mo before
Mizuto Hirota
  • LAlexander VolkanovskiU-DEC R3
    Close +4408mo before
  • WCole MillerU-DEC R3
    Close -1051y 2mo before
  • DTeruto IshiharaS-DEC R3
    Close -2802y 5mo before
  • LRodrigo DammS-DEC R3
    Close +1454y 8mo before
  • LRani YahyaU-DEC R3
    Close -1504y 11mo before
Pearson — win / loss by method
Record: 19-14-0, 1 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
7 wins, 4 losses
W
37% of wins
L
29% of losses
Submission
5 wins, 2 losses
W
26% of wins
L
14% of losses
Decision
7 wins, 8 losses
W
37% of wins
L
57% of losses
UFC
11win11loss0draw1NC
WinsLosses
5 (45%)KO/TKO(27%) 3
0 (0%)Submission(9%) 1
6 (55%)Decision(64%) 7
Non-UFC
8win3loss0draw0NC
WinsLosses
2 (25%)KO/TKO(33%) 1
5 (63%)Submission(33%) 1
1 (13%)Decision(33%) 1
Hirota — win / loss by method
Record: 18-8-2

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
10 wins, 0 losses
W
56% of wins
L
0% of losses
Submission
0 wins, 1 loss
W
0% of wins
L
13% of losses
Decision
8 wins, 7 losses
W
44% of wins
L
88% of losses
UFC
1win3loss1draw0NC
WinsLosses
0 (0%)KO/TKO(0%) 0
0 (0%)Submission(0%) 0
1 (100%)Decision(100%) 3
Non-UFC
17win5loss1draw0NC
WinsLosses
10 (59%)KO/TKO(0%) 0
0 (0%)Submission(20%) 1
7 (41%)Decision(80%) 4

Profiles

Experience
Pearson
Hirota
23
UFC fights
5
269.9 min · 11.7 avg
Octagon time
75.0 min · 15.0 avg
21y 7m
Career length
21y 6m
UFC schedule strength

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

Pearson
Hirota
346W–103L · 77.1%
Overall
62W–24L · 72.1%
162W–49L · 76.8%
Wins
21W–10L · 67.7%
184W–54L · 77.3%
Losses
41W–14L · 74.5%
Non-UFC schedule strength
Pearson
Hirota
59W–53L · 52.7%
Overall
258W–112L · 69.7%
43W–47L · 47.8%
Wins
188W–87L · 68.4%
16W–6L · 72.7%
Losses
70W–25L · 73.7%
Distance striking
Pearson
Hirota
4.12
Landed / min
5.69
37.4%
Accuracy
38.5%
68.0%
Defense
52.9%
0.33
Knockdowns / 15 min
0.00
69.0%
Time at distance
51.8%
Grappling & control
Pearson
Hirota
0.83
Takedowns / 15 min
1.80
38.5%
Takedown accuracy
47.4%
75.6%
Takedown defense
59.3%
0.00
Sub attempts / 15 min
0.00
32.7%
Control share
49.4%
Strike target map
Pearson
  • Head52%(505)div 63%
  • Body30%(285)div 20%
  • Legs18%(175)div 17%
Hirota
  • Head74%(200)div 63%
  • Body17%(46)div 20%
  • Legs9%(25)div 17%

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

Ross Pearson
CloseSSTDKDCtrl

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

Mizuto Hirota
CloseSSTDKDCtrl

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