Rafa Nadal, 14-times grand slam singles tennis champion, will carry Spain's flag at the opening ceremony for this year Olympic Games in Rio de Janeiro, he said on Wednesday. "I'm really proud to be Spain flag bearer in #Rio2016," the 29-year-old left-hander said on Twitter. Nadal won the Olympic gold medal in Beijing in 2008, beating Chile's Fernando Gonzalez in straight sets in the final. (For more sportsnews andupdates, followAhramOnlineSportson Twitter at@AO_Sportsand onFacebookatAhramOnlineSports.) http://english.ahram.org.eg/News/204575.aspx