England's Alastair Cook celebrates reaching 50 runs during the fourth one day international cricket match between England and South Africa at Trent Bridge in Nottingham, central England, on September 5, 2012. AFP PHOTO/ANDREW YATES     RESTRICTED TO EDITORIAL USE. NO ASSOCIATION WITH DIRECT COMPETITOR OF SPONSOR, PARTNER, OR SUPPLIER OF THE ECB        (Photo credit should read ANDREW YATES/AFP/GettyImages)
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