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UFC Fight Night: Thompson vs. Pettis
Maycee Barber
Maycee Barber
6-0 · USA
VS
JJ Aldrich
JJ Aldrich
7-2 · USA
March 23, 2019 · Nashville, Tennessee, USA
Flyweight · 3 rounds
126.0lb
Weigh-in
125.0lb
Maycee Barber def. JJ Aldrich by KO/TKO (Punches), R2 3:01
Performance
Round by round
SSTDKDCtrl
R1
Barber23/560/000:00
Aldrich17/550/000:24
R2 · 3:01
Barber32/540/000:02
Aldrich8/300/000:14
Total
Barber55/1100/000:02
Aldrich25/850/000:38

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
BarberWin probabilityAldrich
78.1%21.9%
KO / TKO
27%
Submission
5%
Decision
69%
Expected fight time: 12.2 min
What drives the pick

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

Predicted outcomes
Barber78%
Wins by
Model
Equity
Mkt
KO / TKO23%29%
Submission4%6%
Decision51%65%
Predicted output
Sig. strikes59 (3377)act 55
Takedowns0.5 (0.01.9)act 0
Aldrich22%
Wins by
Model
Equity
Mkt
KO / TKO4%18%
Submission0%1%
Decision18%81%
Predicted output
Sig. strikes42 (2455)act 25
Takedowns0.3 (0.01.4)act 0
Combined totals~101 sig strikes~0.8 takedownsmkt —
How it ends
mkt —
R114%
R213%
R34%
Distance69%
Fighter props
Most sig. strikestie 1.0%
Barber
64.3%-186
Aldrich
+18634.7%
Most takedownstie 50.6%
Barber
29.2%-145
Aldrich
+14520.1%
Significant strikes — over/under
Barber
Expected: 58.8
59
Over 59
41.7%
+137
Exactly 59
1.1%
push
Under 59
57.2%
-137
074147
Aldrich
Expected: 42.4
42.5
Over 42.5
42.4%
+136
Under 42.5
57.6%
-136
054107
Takedowns — over/under
Barber
Expected: 0.5
0.5
Over 0.5
35.2%
+184
Under 0.5
64.8%
-184
035
Aldrich
Expected: 0.3
0.5
Over 0.5
26.7%
+275
Under 0.5
73.3%
-275
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 12.2 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
Barber78.1%71.1%+7.0-275
Aldrich21.9%28.9%−7.0+235

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
66.3Striking64.3
Barber +2.0
19.8Grappling25.0
Aldrich +5.2
Str/minStr accStr defAbsorbedTD/15TD accTD defSubs
Hover a point to see the values
BarberAldrich
Tale of the tape
Ratings (Elo)
1536
Pound-for-pound
1548
1520
Divisional
1513
1507
Striking offense
1491
1499
Striking defense
1505
1504
Grappling offense
1492
1499
Grappling defense
1506
Physical
20 yrs
Age
26 yrs
5'5"
Height
5'5"
65"
Reach
67"
Switch
Stance
Southpaw
Striking (UFC career)
9.69
Strikes landed / min
3.72
70%
Strike accuracy
40%
5.84
Strikes absorbed / min
3.87
41%
Strike defense
64%
Grappling (UFC career)
2.14
Takedowns / 15 min
0.25
20%
Takedown accuracy
17%
Takedown defense
58%
0.0
Sub attempts / 15 min
0.0
Form & résumé
100%
UFC win rate
75%
+1
Win/loss streak
+3
100%
Last-5 win rate
75%
100%
Finish rate
0%
Recent opp. quality
133
Days since last fight
231
Recent form (last 5 UFC)
Maycee Barber
  • WHannah CifersKO/TKO R2
    Close -4704mo before
JJ Aldrich
  • WPolyana VianaU-DEC R3
    Close +1358mo before
  • WDanielle TaylorU-DEC R3
    Close -1301y 2mo before
  • WChan-Mi JeonU-DEC R3
    opp missedClose -2001y 9mo before
  • LJuliana LimaU-DEC R3
    Close +1902y 3mo before
Barber — win / loss by method
Record: 6-0-0

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
50% of wins
L
Submission
2 wins, 0 losses
W
33% of wins
L
Decision
1 win, 0 losses
W
17% of wins
L
UFC
1win0loss0draw0NC
WinsLosses
1 (100%)KO/TKO() 0
0 (0%)Submission() 0
0 (0%)Decision() 0
Non-UFC
5win0loss0draw0NC
WinsLosses
2 (40%)KO/TKO() 0
2 (40%)Submission() 0
1 (20%)Decision() 0
Aldrich — win / loss by method
Record: 7-2-0

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, 0 losses
W
29% of wins
L
0% of losses
Submission
0 wins, 1 loss
W
0% of wins
L
50% of losses
Decision
5 wins, 1 loss
W
71% of wins
L
50% of losses
UFC
3win1loss0draw0NC
WinsLosses
0 (0%)KO/TKO(0%) 0
0 (0%)Submission(0%) 0
3 (100%)Decision(100%) 1
Non-UFC
4win1loss0draw0NC
WinsLosses
2 (50%)KO/TKO(0%) 0
0 (0%)Submission(100%) 1
2 (50%)Decision(0%) 0

Profiles

Experience
Barber
Aldrich
1
UFC fights
4
7.0 min · 7.0 avg
Octagon time
60.0 min · 15.0 avg
9y 1m
Career length
11y 11m
UFC schedule strength

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

Barber
Aldrich
8W–2L · 80.0%
Overall
32W–6L · 84.2%
8W–2L · 80.0%
Wins
24W–3L · 88.9%
0W–0L
Losses
8W–3L · 72.7%
Non-UFC schedule strength
Barber
Aldrich
9W–3L · 75.0%
Overall
18W–13L · 58.1%
9W–3L · 75.0%
Wins
17W–13L · 56.7%
0W–0L
Losses
1W–0L · 100.0%
Distance striking
Barber
Aldrich
11.19
Landed / min
4.51
52.6%
Accuracy
35.5%
58.5%
Defense
68.1%
0.00
Knockdowns / 15 min
0.00
25.5%
Time at distance
65.7%
Grappling & control
Barber
Aldrich
2.14
Takedowns / 15 min
0.25
20.0%
Takedown accuracy
16.7%
Takedown defense
58.3%
0.00
Sub attempts / 15 min
0.00
88.4%
Control share
51.3%
Strike target map
Barber
  • Head68%(46)div 63%
  • Body24%(16)div 20%
  • Legs9%(6)div 17%
Aldrich
  • Head75%(167)div 63%
  • Body15%(33)div 20%
  • Legs10%(23)div 17%

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

Maycee Barber
CloseSSTDKDCtrl

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

JJ Aldrich
CloseSSTDKDCtrl

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