Naoki Matsuda
In 2011, Matsuda moved to Japan Football League club Matsumoto Yamaga FC. Although he played for qualify for promote to J2 League, in August 2, he collapsed for myocardial infarction during training. On August 4, he died at the age of 34. His last match against Honda on July 23 was his400th game in the league. At the end of the season, the club won promotion to the J2 League.