Main
Women's Featherweight
Ketlen Vieira vs Macy Chiasson
UFC Fight Night: Blanchfield vs. Barber
·Meta Apex
Statlab take
baseline
Heavy favorite
Confidence: High
Ketlen Vieira
Macy Chiasson
69%
31%
Why
68"
Reach
Δ 4"
72"
34
Age
34
16-6
Career record
Δ 6 pp
12-6
L1
Current streak
W2
12
UFC fights in our DB
11
Logistic-regression model trained on ~5,000 UFC/DWCS fights since 2016 (71.9% test accuracy). The "Why" panel shows interpretable inputs; the headline probability comes from the model.
Statlab projections
Actual result
Decision - Unanimous · Round 3
Vieira: 28 sig / 0 TD ·
Chiasson: 22 sig / 0 TD
Ketlen Vieira
Macy Chiasson
54
Sig strikes landed
48
106
Sig strikes attempted
104
89
Total strikes landed
82
2.3
Takedowns landed
1.0
4.8
Takedowns attempted
3.7
0.10
Knockdowns
0.10
253s
Control time
201s
Method
Decision
68%
KO/TKO
15%
Submission
18%
Stat regressor (GBT MultiOutput) trained on 8348 fighter-fight rows. Per-stat MAE vs naive-mean baseline: SigStrikesLanded: 25.4 (naive 28.2); SigStrikesAttempted: 52.3 (naive 59.4); TakedownsLanded: 1.1 (naive 1.3); TakedownsAttempted: 2.5 (naive 3.0); Knockdowns: 0.3 (naive 0.3); ControlTimeSeconds: 113.9 (naive 131.8); TotalStrikesLanded: 33.8 (naive 37.1).
Red corner
L1
Ketlen Vieira
"Fenomeno"
16-6
Career record
Height
68"
Reach
68"
Stance
Orthodox
Age
34
In our database
12 fights · 8-4
Last 5
L
UFC 307: Pereira vs. Rountree J…
—
W
UFC Fight Night: Aspinall vs. T…
—
L
UFC Fight Night: Strickland vs.…
—
W
UFC Fight Night: Holm vs. Vieira
—
W
UFC Fight Night: Vieira vs. Tate
—
Blue corner
W2
Macy Chiasson
12-6
Career record
Height
71"
Reach
72"
Stance
Orthodox
Age
34
In our database
11 fights · 8-3
Last 5
W
UFC 303: Pereira vs. Prochazka 2
—
W
UFC Fight Night: Tuivasa vs. Ty…
—
L
UFC 279: Diaz vs. Ferguson
—
W
UFC 274: Oliveira vs. Gaethje
—
L
UFC Fight Night: Lewis vs. Dauk…
—