A cikin watan Mayu 2004, Muralitharan ya zarce rikodin West Indian Courtney Walsh na 519 Wickets na wasan Test don zama mafi yawan masu cin nasara. Mluleki Nkala na Zimbabwe ya zama Murlitharan na 520th scalp a cikin Tests. Muralitharan ya rike rikodin har sai Shane Warne ya yi ikirarin shi a watan Oktoba 2004. Warne ya zarce alamar Sri Lanka Muttiah Muralitharan na 532 Wickets ta hanyar sallamar Irfan Pathan na Indiya. Warne ya ce ya ji daɗin duel dinsa da Muralitharan, wanda aka cire shi bayan tiyata a lokacin. Bayan shekara mai ban mamaki, an zabi Muralitharan a matsayin Jagoran Cricketer a Duniya a 2006. A cikin wasanni shida, ya dauki 60 Wickets. Ya dauki goma sha huɗu daga cikin wasanni huɗu na kowane lokaci, irin wannan lokacin da ya yi.
Courtney Walsh