Prelims1
Light Heavyweight
Khalil Rountree Jr. vs Marcin Prachnio
UFC 257: Poirier vs. McGregor
·Etihad Arena
Statlab take
baseline
Clear edge
Confidence: High
Khalil Rountree Jr.
Marcin Prachnio
66%
34%
Why
76"
Reach
Δ 4"
73"
31
Age
Δ 2y
32
15-8
Career record
Δ 2 pp
17-10
L1
Current streak
L3
9
UFC fights in our DB
3
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
Rountree Jr.: 49 sig / 0 TD ·
Prachnio: 102 sig / 0 TD
Khalil Rountree Jr.
Marcin Prachnio
27
Sig strikes landed
23
59
Sig strikes attempted
47
32
Total strikes landed
22
0.3
Takedowns landed
0.4
0.7
Takedowns attempted
1.5
0.50
Knockdowns
0.10
70s
Control time
43s
Method
Decision
24%
KO/TKO
67%
Submission
9%
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
Khalil Rountree Jr.
15-8
(1 NC)
Career record
Height
73"
Reach
77"
Stance
Southpaw
Age
31
In our database
9 fights · 4-4
Last 5
L
UFC Fight Night: Hermansson vs.…
—
W
UFC 236: Holloway vs. Poirier 2
—
L
UFC Fight Night: Magny vs. Ponz…
—
W
UFC 226: Miocic vs. Cormier
—
W
UFC Fight Night: Nelson vs. Pon…
—
Blue corner
L3
Marcin Prachnio
17-10
Career record
Height
75"
Reach
73"
Stance
Orthodox
Age
33
In our database
3 fights · 0-3
Last 3
L
UFC Fight Night: Munhoz vs. Edg…
—
L
UFC Fight Night: Hunt vs. Olein…
—
L
UFC Fight Night: Emmett vs. Ste…
—