Nicknamed Il-Baħri, Muscat made his debut for third-tier Birżebbuġa St. Peter's in 1979 in a Division Three match against Attard.
In the 1983/1984 season he became top goalscorer in the Maltese Football League.
[2] Muscat made his debut for Malta on 23 May 1984 in a FIFA World Cup qualification match against Sweden.
[3] He has represented his country in 3 FIFA World Cup qualification matches.
[4] This biographical article relating to Maltese association football is a stub.