William Silveira
“Cowboy”
Age: 31 | 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 173
Aug 01, 2025
UFC on ESPN 71 - Taira vs. Park
Aug 02, 2025
KSW 109 - Kuberski vs. Paczuski
Aug 09, 2025
UFC on ESPN 72 - Dolidze vs. Hernandez
Aug 09, 2025
One Championship - One Friday Fights 120
Aug 15, 2025
UFC 319 - Du Plessis vs. Chimaev
Aug 16, 2025
UFC Fight Night 257 - Walker vs. Zhang
Aug 23, 2025