Photo: Instagram/Luke Rockhold Former UFC middleweight champion Luke Rockhold made a triumphant return to the combat sports scene with a knockout victory over veteran kickboxer Joe Schilling at Karate Combat 45 in Dubai on Saturday. Rockhold finished the fight early in the third round with a powerful right hand that sent Schilling to the canvas. He capitalized on the opportunity with ground-and-pound strikes to secure the win. Post-fight, Rockhold didn't waste time calling out another former UFC champion, Lyoto Machida. In his interview, Rockhold said, “There’s only one man I want to fight in this pit, and that’s Lyoto Machida. Photo: Instagram/Luke Rockhold You’re lucky because they don’t allow elbows, so no more nightmares about the elbows. Bring it. Let’s see what you got, let’s see what the paychecks look like, bring out that check book. Lyoto, I know you need a pay-day motherf*cker, come get it.” This victory marks Rockhold's second fight since leaving the UFC. After endi...