William Silveira
“Cowboy”
Age: 30 | Jul 15, 1994
Nationality: Brazil
Weight Class: Welterweight
Height: 6'1"
Weight: 169 lbs
Professional Record
| 6 fights | 1 wins | 5 losses |
|---|---|---|
| KO/TKOs | 1 | 4 |
| Submissions | 0 | 1 |
| Decisions | 0 | 0 |
Fight Details
| Result | Record | Opponent | Event | Date | Method | Referee | Round | Time |
|---|---|---|---|---|---|---|---|---|
| LOSS | 1 - 5 - 0 | Ueliton Lopes de Lara | Cidade da Luta - Cidade da Luta 3 | August 18, 2019 | KO | 1 | 0:42 | |
| LOSS | 1 - 4 - 0 | Dalton Ribeiro | GCF 39 - Gladiator Combat Fight 39 | August 26, 2018 | KO | 1 | 3:33 | |
| LOSS | 1 - 3 - 0 | Thalyson Galleoni | Warrior Challenge 16 - Negueba vs. Alves | July 14, 2018 | Submission (Rear-Naked-Choke) | Heron Garcia | 1 | 3:43 |
| WIN | 1 - 2 - 0 | Matheus Henrique Scherer da Silva | AFT 13 - Adventure Fighters Tournament 13 | May 12, 2018 | TKO (Punches on The Ground) | Andre Ricardo | 1 | 2:16 |
| LOSS | 0 - 2 - 0 | Irwing Romero Machado | Adventure Fighters Tournament - AFT: Explosion | August 26, 2017 | TKO (Retirement) | 1 | 5:00 | |
| LOSS | 0 - 1 - 0 | Ricardo Guimaraes | AFT 9 - Adventure Fighters Tournament 9 | May 20, 2017 | TKO (Punches) | 1 | 1:25 |
Upcoming Major Events
One Championship - One Friday Fights 113
Jun 20, 2025
UFC on ABC 8 - Hill vs. Rountree
Jun 21, 2025
UFC 317 - Oliveira vs. Topuria
Jun 28, 2025
One Championship - One on Prime Video 33
Jul 11, 2025
UFC on ESPN 70 - Lewis vs. Teixeira
Jul 12, 2025
Professional Fighters League - PFL Road to Dubai Champions Series 2 & PFL Africa 2025 First Round
Jul 19, 2025
KSW 108 - Soldaev vs. Brichta
Jul 19, 2025
UFC 318 - Holloway vs. Poirier 3
Jul 19, 2025
UFC on ABC 9 - Whittaker vs. de Ridder
Jul 26, 2025
Rizin FF - Super Rizin 4
Jul 27, 2025