Fernando Vargas Jr. protected his undefeated record by finishing Kody Koboski by TKO in round 3, improving his record to 5-0 with 5 knockouts. #VargasKoboski #FernandoVargasJr #ThurmanBarrios 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