- 1989-1991 Home Jersey
- Players: Jackie McNamara, Morten Wieghorst, Cadete
- Brand: Umbro
- Sponsor: CRSmith
Celtic’s 1989–90 season under Billy McNeill was a turbulent and often frustrating campaign, ending with a 5th‑place finish in the Scottish Premier Division. The team showed flashes of quality — including strong wins over Hearts, Hibernian and Dundee — but inconsistency, narrow defeats, and a lack of cutting edge in key matches kept them from challenging for the title. Their best run came in the Scottish Cup, where Celtic reached the final after beating Rangers and Clydebank, only to lose to Aberdeen on penalties after a 0–0 draw. In Europe, they exited the Cup Winners’ Cup in the first round despite a dramatic 5–4 home win over Partizan Belgrade. The season is remembered as one of transition, marked by new signings like Dariusz Dziekanowski and Paul Elliott trying to reshape a squad searching for stability.
Celtic’s 1990–91 season was a turbulent and ultimately disappointing campaign under Billy McNeill, marked by inconsistency in the league and heartbreak in both domestic cups. Despite new signings like Charlie Nicholas and John Collins, Celtic started poorly and never mounted a serious title challenge, finishing 3rd behind Rangers and Aberdeen. Their best football came in cup competitions: they reached the League Cup final, losing narrowly to Rangers in extra time, and made the Scottish Cup semi‑final, where Motherwell eliminated them after a replay. A famous St Patrick’s Day win over Rangers briefly lifted hopes, but another trophyless season — combined with heavy investment — led to McNeill’s dismissal, closing a long chapter in the club’s history.
