Kolkatta Knight Riders bowling coach Wasim Akram chat with Pune Warriors captain Yuvraj Singh as Pune Warriors player Nathan McCullum looks on during practise session of match 65 of the Indian Premier League ( IPL ) Season 4 between the Pune Warriors and the Kolkata Knight Riders held at the Dr DY Patil Sports Academy, Mumbai India on the 19th May 2011..Photo by BCCI/SPORTZPICS