 He failed to make an impression at Millwall, playing just 4 league matches.He did however contribute to Millwall's run to the 2004 FA Cup Final, coming on as a substitute against Tranmere Rovers in their quarter-final replay.Sutton returned to Scotland on a season-long loan with Scottish Premier League side Dundee, making his debut on 7 August 2004 in Dundee's 1–0 defeat to Hearts.