Prelims2
Women's Bantamweight
Macy Chiasson vs Yana Santos
UFC 320: Ankalaev vs. Pereira 2
·T-Mobile Arena
Statlab take
baseline
Toss-up
Confidence: High
Macy Chiasson
Yana Santos
49%
51%
Why
72"
Reach
Δ 4"
68"
34
Age
Δ 2y
36
11-7
Career record
Δ 8 pp
18-8
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
Chiasson: 54 sig / 2 TD ·
Santos: 65 sig / 0 TD
Macy Chiasson
Yana Santos
45
Sig strikes landed
51
95
Sig strikes attempted
86
85
Total strikes landed
84
1.1
Takedowns landed
1.5
4.2
Takedowns attempted
3.2
0.00
Knockdowns
0.10
197s
Control time
233s
Method
Decision
74%
KO/TKO
12%
Submission
14%
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
Macy Chiasson
11-7
Career record
Height
71"
Reach
72"
Stance
Orthodox
Age
34
In our database
12 fights · 8-4
Last 5
L
UFC Fight Night: Blanchfield vs…
—
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
—
Blue corner
W2
Yana Santos
18-8
(1 NC)
Career record
Height
66"
Reach
69"
Stance
Orthodox
Age
36
In our database
11 fights · 6-5
Last 5
W
UFC Fight Night: Sandhagen vs. …
—
W
UFC Fight Night: Tybura vs. Spi…
—
L
UFC Fight Night: Strickland vs.…
—
L
UFC Fight Night: Vera vs. Sandh…
—
L
UFC 264: Poirier vs. McGregor 3
—