They competed in the 22-team Division Two, then the second tier of English football, finishing third.

[1] The club's season was disrupted by the sale of John Toshack to Liverpool in November,[2] breaking up the Toshack-Brian Clark strike partnership which had scored countless goals for the club in recent years.

Despite this the team reached the quarter-finals of the European Cup Winners Cup before losing 2–1 on aggregate to Spanish side Real Madrid, after winning the first leg 1–0 at their home ground Ninian Park, a result that has since gone on to become one of the most famous moments in the club's history.

Note: Flags indicate national team as defined under FIFA eligibility rules; some limited exceptions apply.

Key:  ‡ On loan from another club   * First appearance(s) for the clubCorrect as of May 1971.