Fighter
John O'Brien
NEXT FIGHT
No upcoming fight scheduled.
CAREER SUMMARY
No completed fights tracked yet on UFCalendar.
UFCalendar Power Index rating
- Current
- 1496▼20
- Peak
- 1533Mar 5, 2021
- Rated fights
- 4
Frequently asked questions
When does John O'Brien fight next?
John O'Brien has no confirmed upcoming fight.
Who is John O'Brien fighting next?
John O'Brien's next opponent has not been announced.
No tracked fights yet for John O'Brien.