Circuito World Combat - CWC 4: Samurai Edition
| Name: Circuito World Combat | |
| Title: CWC 4: Samurai Edition | |
| Date: Dec 16, 2017 | Time: 1:00 PM PST |
| Location: Tancredo Neves Municipal Gymnasium, Alvorada, Rio Grande do Sul, Brazil | |
| Promotion: Circuito World Combat | |
Boaventura vs Santana
Co-Main Event Fight
Submission (Rear-Naked Choke) Round: 1 Time: 4:14
Gaviao vs Pereira da Silva
fourth Fight
Submission (Rear-Naked Choke) Round: 2 Time: 4:58
