On 10 July when Rangers, acting on Souness' say so, purchased former Celtic striker Mo Johnston from French club Nantes for £1.5 million.
New arrival Johnston netted the crucial winner during an Old Firm game on 4 November 1989.
Scoring the goal in the dying minutes of the match meant Johnston was all but forgiven by the Rangers support.
Come May 1990, Rangers' name was on the trophy for the second time in as many seasons but the club again failed to win the Scottish Cup, losing to Celtic in the fourth round, and for once did not win the League Cup.
In Europe they were knocked out the European Cup by German side Bayern Munich, losing the tie 3–1 on aggregate.