In Western culture, 13 is considered an unlucky number. For Koji Murofushi, Japan's maestro of the hammer throw, it's not a symbol of misfortune; it's a number that underscores one thing: his era of dominance.
Koji Murofushi, a 13-time champion in the hammer throw at the Japan Athletics National Championships and a 2004 Olympic gold medalist, is one of the favorites in his event. AP PHOTO