Kitchee SC
Foreign player restrictions in the Malaysian Super League meant Petratos played exclusively in the 2013 AFC Cup, where Kelantan were drawn in Group G along with Maziya S&amp;RC, Ayeyawady United and SHB Đà Nẵng. He featured in all 7 matches for Kelantan in the competition, scoring 4 goals as they were knocked out by Kitchee SC at the quarter-final stage.