Rumble On The Rock: Proving Grounds 4
- PromotionRumble on the Rock
- Venue
- LocationHilo, Hawaii
- Number of bouts12
Main Card
Pat McBraun
2-1-0
Heavyweight bout
2 x 5
VS
Submission, Guillotine Choke | R1 · 0:42Kaneka Ishikawa
0-0-0

Preliminary Card
Dave Moreno
0-0-0
Amateur
Lightweight bout
2 x 3
VS
Submission, Rear Naked Choke | R1 · 1:10Jeff Thome
0-0-0
