SF 12 - Shark Fights 12
Jun 26, 2010 
Gamboa's Outdoor Event Center, Amarillo, United States
Gamboa's Outdoor Event Center, Amarillo, United States 
| Match | Fighters | Method | Round | Time | ||
| 8 |
|
vs |
|
Decision (Split) Steve Armstrong |
3 | 5:00 |
| 7 |
|
vs |
|
DQ Mark Calo-oy |
2 | 3:54 |
| 6 |
|
vs |
|
Decision (Unanimous) Steve Armstrong |
3 | 5:00 |
| 5 |
|
vs |
|
Decision (Unanimous) Mark Calo-oy |
3 | 5:00 |
| 4 |
|
vs |
|
Submission (Armbar) Steve Armstrong |
2 | 2:17 |
| 3 |
|
vs |
|
Decision (Unanimous) Mark Calo-oy |
3 | 5:00 |
| 2 |
|
vs |
|
Submission (Rear-Naked Choke) Steve Armstrong |
2 | 2:45 |
| 1 |
|
vs |
|
TKO (Punches) Mark Calo-oy |
1 | 0:47 |
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