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MMA Calendar

MMA Judges

Dr. Greg Jackson

Active Nov 12, 2011, Apr 18, 2026

Dr. Greg Jackson has judged 29 MMA fights (89 rounds) since 2011. They score a 10-8 round 0% of the time (pool average 3.2%), land in split decisions in 7.4% of their three-judge fights, and have been the lone dissenting card once. Their winner matches the media consensus in 90.9% of compared fights.

Fights scored
29
Rounds scored
89
10-8 rounds
0%
avg 3.2%
Split decisions
7.4%
avg 15.3%
Lone cards
1 (3.7%)
avg 4.9%
Media agreement
90.9%
avg 86.8%

Most disputed cards

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

  1. Dec 10, 2016Valerie Letourneau vs Viviane PereiraUFC 206: Holloway vs PettisLone card29-28for Valerie Letourneau
  2. Apr 18, 2026JJ Aldrich vs Jamey-Lyn HorthUFC Fight Night: Burns vs Malottvs media29-28for JJ Aldrich
  3. Jul 28, 2018Alexander Hernandez vs Olivier Aubin-MercierUFC Fight Night: Alvarez vs Poirier 230-27for Alexander Hernandez
  4. Apr 18, 2026Melissa Croden vs Daria ZhelezniakovaUFC Fight Night: Burns vs Malott29-28for Melissa Croden

Scorecard history

  1. Apr 18, 2026Melissa Croden vs Daria ZhelezniakovaUFC Fight Night: Burns vs Malott29-28for Melissa Croden
  2. Apr 18, 2026JJ Aldrich vs Jamey-Lyn HorthUFC Fight Night: Burns vs Malottvs media29-28for JJ Aldrich
  3. Jul 28, 2018Alexander Hernandez vs Olivier Aubin-MercierUFC Fight Night: Alvarez vs Poirier 230-27for Alexander Hernandez
  4. Jul 28, 2018Jordan Mein vs Alex MoronoUFC Fight Night: Alvarez vs Poirier 229-28for Jordan Mein
  5. Jul 28, 2018John Makdessi vs Ross PearsonUFC Fight Night: Alvarez vs Poirier 229-28for John Makdessi
  6. Dec 16, 2017John Makdessi vs Abel TrujilloUFC Fight Night: Lawler vs Dos Anjos30-27for John Makdessi
  7. Dec 10, 2016Valerie Letourneau vs Viviane PereiraUFC 206: Holloway vs PettisLone card29-28for Valerie Letourneau
  8. Oct 12, 2012Dom O'Grady vs A.J. MatthewsBFC: Bellator Fighting Championships 7629-28for Dom O'Grady
  9. Oct 12, 2012Chad Laprise vs Ainsley RobinsonBFC: Bellator Fighting Championships 7630-27for Chad Laprise
  10. Oct 12, 2012Nazareno Malegarie vs Rad MartinezBFC: Bellator Fighting Championships 7627-30for Rad Martinez
  11. Dec 10, 2011Mark Bocek vs Nik LentzUFC 140: Jones vs Machida30-27for Mark Bocek