September 19, 2026 · Oroville, California
Spirit Warrior V
Derek Cook defeated Orbelin Maldonado in the main event, a five-round unanimous decision for the amateur welterweight title. Charles Whalley stopped Oliver Berkland at 2:03 of round 1 in the co-main for the amateur bantamweight title. Justin Serra knocked out William Sears at 1:36 of round 2. That fight was on the card. It was not the main event. Official results are the Combat Registry.
- Venue
- Mechoopda Event Center149 Openshaw Rd, Oroville, CA 95965
- Doors
- Listed 6:00 PM · Poster: doors 4 PM, fights 6 PM, all ages
- Watch
- Livestream on Starfund · Tickets on XtraSeats

Highlight
Results
The record is the Combat Registry. If a line is blank, that’s how the sheet left it.
Cook vs. Maldonado was the main event, five rounds for the amateur welterweight title. Whalley vs. Berkland was the co-main, for the amateur bantamweight title. Serra knocked Sears out in the second. That fight was on the card. It was not the main event.
- 01
Unanimous decision · 5 rounds
- 02
TKO · R1 2:03
