REFEREE
JOHN O'BRIEN
USA· 1 bout linked to this official
Legacy data
1 fight mentions this referee by name but isn't linked to a specific official doc. Browse by name string.
Fights officiated
| Date | Division | Boxer A | Boxer B | Result | Venue |
|---|---|---|---|---|---|
| 2006-10-07 | heavyweight | NIKOLAI VALUEV | MONTE BARRETT | TKO | ALLSTATE ARENA |