Head-butt from 2006 World Cup final left an imprint - Chicago Sun-Times
Zidane’s hit on Materazzi still recognized 16-plus years later with statue in Qatar.
World Cup head-butt victim recalls infamous foul in final
Zinedine Zidane's headbutt on Marco Materazzi
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Remembering Zinedine Zidane's Headbutt and the 2006 World Cup
Remembering Zinedine Zidane's Headbutt and the 2006 World Cup
Head-butt from 2006 World Cup final left an imprint - Chicago Sun
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2006 FIFA World Cup final - Wikipedia
A Star Falters, France Fades, Italy Rejoices - The New York Times
World Cup head-butt victim recalls infamous foul in final