Rafael Nadal of Spain hits a return to David Nalbandian of Argentina during their men's singles final match at the Brazil Open tennis tournament in Sao Paulo February 17, 2013. REUTERS/Paulo Whitaker ... more 

Rafael Nadal of Spain hits a return to David Nalbandian of Argentina during their men's singles final match at the Brazil Open tennis tournament in Sao Paulo February 17, 2013. REUTERS/Paulo Whitaker (BRAZIL - Tags: SPORT TENNIS) less