July 9 : FIFA refereeing chief Pierluigi Collina defended the officiating in Argentina's 3-2 victory over Egypt in the World Cup round of 16, dismissing allegations of bias and saying match officials operated with complete independence. In an interview published on inside.fifa.com on Thursday, Collina said criticism of referees was part of football but he condemned the questioning of the officials' integrity after Egypt complained about the officiating following the defeat. "Constructive discussion about decisions will always be part of football, but unfounded allegations have no place in our sport," Collina said."Nobody can question the integrity of the FIFA World Cup match officials ... Nobody can claim that FIFA refereeing can be influenced by anyone, not even by the FIFA president (Gia