Undefeated at 5-0, Rocky Jerkic has ventured to Las Vegas from Australia to take up training with Jeff Mayweather. Jeff has to be one of the hottest trainers in all of combat sports right now after a series of high profile fighters have sought his services. Jerkic, while not a big name yet has impressed Mayweather with his skills so far. We shall see how that translates the next time Rocky climbs into the ring with Jeff in his corner.