| Age | 29 |
|---|---|
| Gender | Male |
| Height | 5' 8" |
| Weight Class | Flyweight |
Guillermo Palmerin, Jr is a MMA fighter with a amateur fight record of 1 wins, 1 losses and 0 draws
| Amateur Record: | 1-1-0 (Win-Loss-Draw) |
|---|---|
| Career Length | 3 months |
| Rounds Fought | 1.4 |
| Avg. Fights/Year | 8.0 |
| Longest Layoff | 3 months |
| Quickest Turnaround | 3 months |
| Date | Opponent | Weightclass | Method | Round | Time | |||
|---|---|---|---|---|---|---|---|---|
| | 04/18/2026 | W (0-0-0) | Harrison Leech (0-0-0) | FLY (124.8 vs. 127.4*) | Decision (Split) CKE: War Ready | 3 | 03:00 | |
| | 01/17/2026 | L (0-0-0) | Jackson Tenny (0-0-0) | FLY (124.0 vs. 124.6) | TKO/RSC (Referee Stoppage from Strikes) ShamrockFC 372 | 2 | 01:08 |
| * 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 |