 Mason hit the perfect 9 dart game in the last 32 stage of the Winmau World Masters, watched by good friend Bobby George, who said "it was OK apart from the treble 19 wasn't quite in the middle".In late 2001, the news came through that virtually all PDC televised tournaments would be closed off to players who did not play in the PDC World Darts Championship.As a result, Mason became one of the "Skol Six" who decided to play the PDC World Championship from 2002 onwards, so that they could continue to play in other PDC televised events.