In October 1989, Aberdeen reached the Scottish League Cup final for the third successive season and faced Rangers for the third successive year.
Aberdeen won 2–1 thanks to two goals from Englishman Paul Mason and a superb display from Dutch goalkeeper Theo Snelders.
November saw a new signing from PSV Eindhoven, striker Hans Gillhaus, join for a record transfer fee of £650,000.
[1] The Dutchman made an immediate impact by scoring twice on his debut against Dunfermline Athletic.
In May 1990, Aberdeen won the Scottish Cup for the seventh time after a penalty shoot-out victory over Celtic following a 0–0 draw.