Johnny Koen
EFC 137MMA
Johnny Koen has no upcoming fight scheduled. Their most recent bout was against Stefan Diedericks at EFC 137 - EFC Worldwide 137 on September 10, 2026.
Past bouts1
- Thu 10 Sept· EFC 137· LightweightEFC 137 - EFC Worldwide 137
Johnny Koen has no upcoming fight scheduled. Their most recent bout was against Stefan Diedericks at EFC 137 - EFC Worldwide 137 on September 10, 2026.