Gervonta Davis let the world know he would KO Frank Martin in 8RDs and that's exactly what he did tonight at the MGM Grand Garden on Amazon Prime VIdeo PPV. #TankMartin #GervontaDavis #DavisMartin Visit PremierBoxingChampions.com for more info. SIGN UP FOR FIGHT ALERTS: https://pbcham.ps/FightAlerts FOLLOW US: https://twitter.com/premierboxing https://instagram.com/premierboxing https://www.facebook.com/premierboxingchampions