Top stories of 2006:
Japan wins first World Baseball Classic
Roger Federer wins Wimbledon, Australian Open and U.S. Open
France's Zinedine Zidane head-butts opponent in World Cup final
Floyd Landis stripped of Tour de France title
Barbaro's life-and-death struggle
Phil Mickelson falters in final round at the Masters
Barry Bonds passes Babe Ruth with 715th home run
