JO
John Burkhart Whittenburg
Blue Belt
Ranked competitor representing Texas Black Diamond Martial Arts.
Reported team or academy
Texas Black Diamond Martial Arts
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.
40Overall Score
D
Performance RankGi BJJ20
No-Gi / Submission Grappling20
Major Titles
Verified achievements recognized on the rankings.
No major titles recorded yet for this athlete.