Brave Blossoms World Cup star Kenki Fukuoka has pulled out of an upcoming training camp for Japan's Olympic rugby sevens squad because of a knee injury, the Japan Rugby Football Union said Wednesday.The 27-year-old hurt his left knee while playing for the Panasonic Wild Knights in their 40-20 victory over Toyota Verblitz on Saturday, according to the JRFU.The Japan Top League match was Fukuoka's final 15-a-side appearance before he turned his attention toward this summer's Tokyo Olympics.Related coverage:Rugby: Japan's World Cup star Kenki Fukuoka sets sights on Tokyo OlympicsREAD FULL ARTICLE