Brian Vandenbussche is a soccerplayer and the reason he had to change his underwear, is the dress code of soccer teams, the color of their underwear must match their shorts (in the same color tone). He was wearing a white shorts but with a black underwear, that's why the referree blowed the whistle he had to change it.
video : http://rapidshare.com/files/201031401/soccerplayer.avi (In HQ)
video : http://rapidshare.com/files/201031401/soccerplayer.avi (In HQ)