JA
Jason S. Kaczmarek
Black Belt
Ranked competitor representing Proving Grounds Jiu Jitsu & MMA.
Reported team or academy
Proving Grounds Jiu-Jitsu
This source affiliation may refer to a wider team. A specific gym location has not been confirmed by this label alone.
Associations
Performance Scorecard
Dynamic skill index based on verified matches and accomplishments.
16Overall Score
D
Performance RankGi BJJ0
No-Gi / Submission Grappling16
Major Titles
Verified achievements recognized on the rankings.
No major titles recorded yet for this athlete.