Grappler Union Podcast
#013 - Jeff Serafin
- Author: Vários
- Narrator: Vários
- Publisher: Podcast
- Duration: 1:56:59
- More information
Informações:
Synopsis
On this episode of Grappler Union we have Jeff Serafin in studio. Jeff is a 1st Degree Black Belt under Jack McVicker & Megaton Dias. He is the owner and head instructor at Serafin Jiu Jitsu.
