RMMA 4
| Name: RMMA 4 | |
| Title: Revolution MMA 4 | |
| Date: Aug 28, 2021 | Time: 1:00 PM PST |
| Location: Rio Grande, Rio Grande do Sul, Brazil | |
| Promotion: Revolution MMA | |
Cavalcante Silva vs Baiano
Main Event Fight
Submission (Guillotine Choke) Round: 1 Time: 0:56
Martin Aranguren vs Silva
Co-Main Event Fight
Submission (Rear-Naked Choke) Round: 1 Time: 0:58
