Brazilian and Paraguayan players fight during extra-time in their quarter-final soccer match at the Copa America in La Plata, July 17, 2011. [Photo/Agencies]

Referee Sergio Pezzotta of Argentina shows the red card to expel Brazil's Lucas Leiva (L) and Paraguay's Antolin Alcaraz for scuffling during extra-time in their quarter-final soccer match at the Copa America in La Plata, July 17, 2011. [Photo/Agencies]