MMA Index

Jason Grenier

Scoring active Mar 9, 2024 – Apr 11, 2026.

Bouts judged
6
Rounds scored
18
10-8 rounds
1
5.6% of rounds
Minority cards
1
16.7% of bouts

Recent vs career

Bouts (12mo)
2
6 career
10-8 share (12mo)
16.7%+11.1pp
5.6% career
Minority cards (12mo)
0-16.7pp
0.0% recent · 16.7% career
Rounds (12mo)
6
18 career

Round-scoring tendencies

Score
Judge
League
10-9
94.4%
96.0%
10-8
5.6%
3.5%
10-7
0.0%
0.0%
10-10
0.0%
0.1%
9-9
0.0%
0.3%
Other
0.0%
0.1%

Round-by-round score patterns called by this judge (18 rounds) vs the UFC league average across every judged round in our corpus. A taller 10-8 share suggests a judge willing to call dominant rounds; an outsized 10-10 share flags an unusually permissive scoring style.

Career timeline

24
25
26
Bouts judged per calendar year. Peak: 4.

Recent bouts

Charles Radtke vs Francisco Prado
UFC 327: Prochazka vs. Ulberg · Apr 11, 2026 · Welterweight
3026
Josh Hokit vs Curtis Blaydes
UFC 327: Prochazka vs. Ulberg · Apr 11, 2026 · Heavyweight
2928
Piera Rodriguez vs Josefine Knutsson
UFC Fight Night: Covington vs. Buckley · Dec 14, 2024 · Women's Strawweight
3027
Navajo Stirling vs Tuco Tokkos
UFC Fight Night: Covington vs. Buckley · Dec 14, 2024 · Light Heavyweight
3027
Joanne Wood vs Maryna Moroz
UFC 299: O'Malley vs. Vera 2 · Mar 9, 2024 · Women's Flyweight
2829
Mateusz Gamrot vs Rafael Dos Anjos
UFC 299: O'Malley vs. Vera 2 · Mar 9, 2024 · Lightweight
2928

Minority card = this judge's verdict differed from the majority of judges on the same bout. 10-8 rounds reflect the share of rounds this judge scored 10-8 (one fighter ≥ 10, the other ≤ 8). League averages on the score-distribution chart cover every UFC judge's rounds in our corpus. Source: MMA Decisions.