http://www.scmp.com/video/ Hong Kong loves an underdog, and that's a role that Michael Chang has played through most of his career. The highlight of his career came when he was just 17-years-old, when he defeated Stefan Edberg in the final of the 1989 French Open. Chang remains the youngest ever male winner of a Grand Slam tournament. In this video, we chat with Michael ahead of the Hong Kong Tennis Classic 2010 in Victoria Park. Less