A Chinese entrepreneur has registered an image of French captain Zinedine Zidane headbutting Italian defender Marco Materazzi in last month's World Cup final as a trademark for clothing, shoes, hats and beer products, according to reports. Zhao Xiaokai hopes to sell the mark for US$125,000, reports Chinese news site Xinhua Online. The image is a silhouette, apparently in an attempt to avoid infringing Zidane's image rights. Zidane has fought to protect his image rights before. Last year he and four other soccer stars – David Beckham, Luis Figo, Raul and Ronaldo – joined their club, Real Madrid, in filing infringement...