Photo: Shaun Botterill/GETTY IMAGES Former Manchester United midfielder Park Ji-sung has urged the club's supporters to refrain from singing a song about him - which includes a reference to Koreans eating dog meat. (adsbygoogle = window.adsbygoogle || []).push({}); The 40-year-old spent seven years at Old Trafford between 2005 and 2012 where he won four Premier League titles, the