Kamil Lamczyk1-1-0Fighters
Kamil Lamczyk1-1-0Kamil Turalski3-3-0Kamil Woźny4-2-0Kamilė KuktelionytėKarl ThompsonThe Wasp
CruiserweightKarlos VemolaTerminátor
CatchweightKarol Michalak5-4-0
Katlyn CerminaraBlonde Fighter
Women's flyweight
Ketlen SouzaEsquentadinha
Women's strawweightKevin PeaseLightweight9-0-0
Khaos WilliamsThe OxFighterWelterweightKhyzer Hayat
King GreenKingLightweight
Kristjan Tõniste5-2-0
Krzysztof Głowacki3-2-0, 2 NC
Kyle DaukausMiddleweight
Kyle NelsonThe Monster
LightweightLeigh CohoonThe BoomMiddleweight
Leon ShahbazyanS.o.g.WelterweightLevan KhabalaevLightweight6-0-0Lewis RumseyThe BeastLex LudlowThe Grizzly BearCruiserweight4-1-0Liam DooleyWelterweightLiz CarmoucheWomen's flyweight26-9-0