Hungarian side Debrecen's 2009 game against Liverpool in spotlight

Singapore, which European investigators say is the source for hundreds of soccer matches being fixed in a global betting scam, promised on Tuesday to aid the probe but some in the game said many of the revelations were nothing new.

About 680 suspicious matches, including qualifying games for the World Cup and European Championships and the Champions League for top European club sides, have been identified in an inquiry by European police forces, the European anti-crime agency Europol and national prosecutors.