Portugal's Ronaldo heads the ball with Czech Republic's Sivok, Kadlec and goalkeeper Cech during their...
Portugal's Cristiano Ronaldo (C) heads the ball with Czech Republic's Tomas Sivok (L), Michal Kadlec (2nd R) and goalkeeper Petr Cech during their Euro 2012 quarter final soccer match in Warsaw, June 21, 2012. REUTERS/Leonhard Foeger (POLAND - Tags: SPORT SOCCER)