Karine SilvaKiller
Women's flyweight19-7-0Fighters
Karine SilvaKillerWomen's flyweight19-7-0
Karol RyšavýBomby
Featherweight15-10-1
Kaseem Saleem
Heavyweight1-2-0
RetiredKaspars Kambala
Heavyweight4-0-1
Kayla Harrison
Women's bantamweight19-1-0
Keiichiro Nakamura
Featherweight8-1-0
Keith RichardsonThe RockstarBantamweight5-2-0
Kevin HangsAlpha
Welterweight15-9-0
Kevin HollandTrailblazerWelterweight29-15-0, 1 NC
Kevin VallejosEl Chino
Featherweight18-1-0
Kieron SewellThe ScumbagBantamweight2-1-0
KJ MetcalfeWelterweight1-0-0
Kody SteeleLightweight9-1-0
Kristaps ZutisHeavyweight5-1-0
Kristaps ZīleLight heavyweight1-0-0
Kristians BogužsLightweight5-0-0
Krzysztof Jotko
Middleweight30-6-0, 1 NC
Kyoji HoriguchiKarate KidFlyweight36-6-0, 1 NC
Lazar TodevThe Punisher
Heavyweight14-7-0
Laïd Zerhouni
Middleweight15-11-0, 1 NC
Lewis KnoxThe Leith WarriorFeatherweight5-2-0
Lindolfo Delgado
Super lightweight24-0-0
Lone’er KavanaghFlyweight11-2-0
Lorenzo Parra
Featherweight24-1-1