 In all, he won three championship medals, four Scottish Cup winners medals, one Scottish League Cup winner's medal as well as the Cup Winners' Cup and the following season's UEFA Super Cup while at Aberdeen.In 1989, Hewitt moved to Celtic, but failed to break into the first team on a regular basis, and subsequently spent four more successful seasons with St Mirren.A short, unsuccessful spell as player-manager of Dundalk was notable only for the fact that he scored the only goal of a pre-season friendly game against Aberdeen.