 Italian keeper Gianluigi Buffon made a potentially game-saving save in extra time when he tipped a Zidane header over the crossbar.Almost five minutes into the second half of extra time, Zidane and Materazzi were jogging up the pitch close to each other, they briefly exchanged words after Materazzi was seen tugging at Zidane's jersey before Zidane began to walk away from him.Moments later, Zidane suddenly stopped, turned around and head-butted Materazzi's chest, knocking him to the ground.