John O'Brien

2 fights against fighters on Pugna

1. Loss
   Brandon Polcare Reality Fighting - Mohegan Sun
   Submission (Arm-Triangle Choke) Round 1 0:47 28 MAY 2016
2. Loss
   Justin Montalvo FAC 30 - O'Brien vs. Montalvo
   Submission (Guillotine Choke) Round 1 3:48 26 JUL 2025

Only fights against fighters Pugna covers are listed. The rest of John O'Brien's record isn't tracked.