Jabulani, the Afrikaans name given to the FIFA 2010 World Cup ball, is seen during the Brazilian team practice in Johannesburg May 30, 2010. Many players and goalkeepers are lashing out at the official FIFA World Cup ball saying that they dislike the design and claiming that it hinders their performance, local media reported. REUTERS/Paulo Whitaker (SOUTH AFRICA - Tags: SPORT SOCCER WORLD CUP)