Consadole Sapporo's former Japan and Feyenoord playmaker Shinji Ono, currently the oldest active player in the J-League first division, announced Wednesday he will retire at the end of the season.Ono, often referred to as a "genius" for being one of the most technically gifted footballers Japan has ever produced, remains the country's youngest to compete at a World Cup at 18 years old during his and Samurai Blue's 1998 tournament debut in France.Ono was also the first Japanese to lift a major European trophy when he won the UEFA Cup, now the Europa League, in 2002, his first season after mo…READ FULL ARTICLE