K-1
Glory (kickboxing)
It's Showtime (kickboxing)
Final Fight Championship
Cage Warriors
Rizin Fighting Federation
ONE Championship
M-1 Global
Dream (mixed martial arts)
Pancrase
Fighting Network Rings
Go3 Sport
World Victory Road
UFC Fight Pass
European kickboxing promotion
kokfights.com
King of Kings, or KOK, is a European kickboxing promotion founded in 2009. The company has its headquarters in Vilnius, Lithuania. Wikipedia