MOF
| Name: MOF | |
| Title: Monster Octagon Fight 4 | |
| Date: Dec 21, 2013 | Time: 1:00 PM PST |
| Location: Sao Pedro Institute of Education and Assistance Gymnasium, Bage, Rio Grande do Sul, Brazil | |
| Promotion: Monster Octagon Fight | |
Monstro vs Japones
Main Event Fight
Submission (Rear-Naked Choke) Round: 2 Time: 3:03
Rangel vs Carlos Silva
fifth Fight
Submission (Rear-Naked Choke) Round: 2 Time: 2:30
