Ultimate Fighting Calendar

MMA Judges

Jason Grenier

Active Mar 9, 2024 – Apr 11, 2026

Jason Grenier has judged 14 MMA fights (44 rounds) since 2024. They score a 10-8 round 2.3% of the time (pool average 3.4%), land in split decisions in 35.7% of their three-judge fights, and have been the lone dissenting card 2 times. Their winner matches the media consensus in 57.1% of compared fights.

Fights scored
14
Rounds scored
44
10-8 rounds
2.3%
avg 3.4%
Split decisions
35.7%
avg 19%
Lone cards
2 (14.3%)
avg 6.1%
Media agreement
57.1%
avg 86.8%

Most disputed cards

The fights where this judge's card clashed hardest with colleagues, media or fans.

  1. Mar 9, 2024Joanne Wood – Maryna MorozUFC 299: O'Malley vs Vera 2Lone card28–29for Maryna Moroz
  2. May 1, 2025Rodrigo Nascimento – Abraham BablyProfessional Fighters League - 2025 PFL World Tournament 4: First RoundLone card28–29for Abraham Bably
  3. Aug 21, 2025Oleg Popov – Alexander RomanovPFL World Tournament 10: 2025 Finalsvs media48–47for Oleg Popov
  4. May 1, 2025Oleg Popov – Karl WilliamsProfessional Fighters League - 2025 PFL World Tournament 4: First Roundvs media29–28for Oleg Popov
  5. May 1, 2025Valentin Moldavsky – Sergey BilostenniyProfessional Fighters League - 2025 PFL World Tournament 4: First Roundvs media29–28for Valentin Moldavsky

Scorecard history

  1. Apr 11, 2026Curtis Blaydes – Josh HokitUFC 327: Procházka vs Ulberg28–29for Josh Hokit
  2. Apr 11, 2026Charles Radtke – Francisco PradoUFC 327: Procházka vs Ulberg30–26for Charles Radtke
  3. Aug 21, 2025Joshua Silveira – Murad RamazanovPFL World Tournament 10: 2025 Finals29–28for Joshua Silveira
  4. Aug 21, 2025Oleg Popov – Alexander RomanovPFL World Tournament 10: 2025 Finalsvs media48–47for Oleg Popov
  5. May 1, 2025Rodrigo Nascimento – Abraham BablyProfessional Fighters League - 2025 PFL World Tournament 4: First RoundLone card28–29for Abraham Bably
  6. May 1, 2025Oleg Popov – Karl WilliamsProfessional Fighters League - 2025 PFL World Tournament 4: First Roundvs media29–28for Oleg Popov
  7. May 1, 2025Valentin Moldavsky – Sergey BilostenniyProfessional Fighters League - 2025 PFL World Tournament 4: First Roundvs media29–28for Valentin Moldavsky
  8. Apr 18, 2025Joshua Silveira – Mike ShipmanProfessional Fighters League - 2025 PFL World Tournament 3: First Round29–28for Joshua Silveira
  9. Apr 3, 2025Movlid Khaybulaev – Jeremy KennedyProfessional Fighters League - 2025 PFL World Tournament 1: First Roundvs media29–28for Movlid Khaybulaev
  10. Apr 3, 2025Logan Storley – Joseph LucianoProfessional Fighters League - 2025 PFL World Tournament 1: First Round30–27for Logan Storley
  11. Dec 15, 2024Navajo Stirling – Tuco TokkosUFC Fight Night: Covington vs Buckley30–27for Navajo Stirling
  12. Dec 15, 2024Josefine Knutsson – Piera RodriguezUFC Fight Night: Covington vs Buckley27–30for Piera Rodriguez
  13. Mar 9, 2024Mateusz Gamrot – Rafael Dos AnjosUFC 299: O'Malley vs Vera 229–28for Mateusz Gamrot
  14. Mar 9, 2024Joanne Wood – Maryna MorozUFC 299: O'Malley vs Vera 2Lone card28–29for Maryna Moroz