Irfan burst into the scene in 2003 and soon had plenty of high-points in his career. He dismissed Salman Butt, Younis Khan and Mohammad Yousuf in the first over of the Karachi-Test in 2006 to claim a Test-hat-trick. He was the Man of the Match in the 2007 World-T20-final against Pakistan for his spell of 3 for 16 which set-up victory for the young-Indian-side.