Egyptian striker Ahmed Hassan 'Koka' continued his superb performances in Portugal after scoring the winner in Rio Ave's 2-1 victory over Estoril on Sunday. The match looked as though it was heading for a 1-1 draw but, koka, who played the full match, scored a stoppage-time goal to give his team a precious win. Koka has been in brilliant form for Rio Ave, having taken his tally to nine league goals so far this season. Rio Ave currently lie sixth inthe Portuguese league table with 27 points, 22 behind leaders Benfica. (For more sports news andupdates, followAhramOnlineSports on Twitter at@AO_Sportsand onFacebookatAhramOnlineSports.) http://english.ahram.org.eg/News/121945.aspx