Today's top sports stories:

The world's top-ranked golfer, Rory McIlroy, walked off the course on Friday after shooting seven over par on the first eight holes at the Honda Classic. He says that he had a toothache, which won't do much for golf's image as a less-than-masculine sport. [Yahoo]

Duke head coach Mike Kryzyewski doesn't like it when students storm the court after their team wins a basketball game, something that seems to happen more frequently when it's the Blue Devils on the losing end. [NYDN]

Japan, which has won both editions of the World Baseball Classic so far, will begin its title defense on Saturday when the 2013 WBC opens. Team USA's first game is next Friday, March 8. [Sporting News]

Center Andrew Bynum, acquired by the Philadelphia 76ers this past off-season, suffered another setback in his attempt to return from a knee injury that has kept him out of action all season. He may not play at all this year. [CSN Philly]

George Lucas, who recently sold his entire Star Wars property to Disney, has plenty of time now to focus on his daughter Amanda's burgeoning MMA career. [GuySpeed]

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