| Age | 36 |
|---|---|
| Gender | Male |
| Height | 6' 1" |
| Weight Class | Heavyweight |
Jerzy Siewierski is a MMA fighter with a amateur fight record of 0 wins, 1 losses and 0 draws
| Amateur Record: | 0-1-0 (Win-Loss-Draw) |
|---|---|
| Career Length | - |
| Rounds Fought | 2.5 |
| Avg. Fights/Year | 1.0 |
| Longest Layoff | - |
| Quickest Turnaround | - |
| Date | Opponent | Weightclass | Method | Round | Time | |||
|---|---|---|---|---|---|---|---|---|
| | 09/24/2010 | L (0-0-0) | Jan Jorgensen (0-0-0) | HW (258.0 vs. 259.5) | TKO/RSC (Referee Stoppage from Strikes) Showdown FIghts: Respect | 3 | 01:35 |
| * 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 |