| Gender | Male |
|---|---|
| Height | 6' 4" |
| Weight Class | Heavyweight |
William Clasen is a MMA fighter with a professional fight record of 2 wins, 1 losses and 0 draws
| Pro Record | 2-1-0 (Win-Loss-Draw) |
|---|---|
| Career Length | 13 years, 8 months, 18 days |
| Rounds Fought | 4.8 |
| Avg. Fights/Year | 0.2 |
| Longest Layoff | 11 years |
| Quickest Turnaround | 2 years, 7 months, 29 days |
| Date | Opponent | Weightclass | Method | Round | Time | |||
|---|---|---|---|---|---|---|---|---|
| NSF | 02/02/2025 | W (1-1-0) | Willian Magalhães (1-0-0) | HW | Submission (Arm Triangle Choke) Fight Music Show: Fight Night 4 | 2 | 01:04 | |
| NSF | 06/04/2022 | W (0-1-0) | Anderson Batista dos Santos Bodao (2-0-0) | HW | TKO/RSC (Referee Stoppage from Punches) Big Shot MMA 3 - Goias vs. Santa Catarina | 2 | 04:51 | |
| NSF | 05/15/2011 | L (0-0-0) | Felipe Miranda (3-0-0) | Submission (Arm Bar) Black Trunk Fight 2 | 2 | 02:52 |
| * Bouts marked with an 'Official' logo denote results which have been verified by an ABC-recognized athletic commission * Bouts marked with an (*) are considered exhibition bouts and do not count towards the fighter's record * Weights marked with an (*) denote those over the limit for the weight class |