History of Celtic F.C. (1887–1994) As the season progressed, Frank McAvennie arrived from West Ham and young forward Joe Miller – a very promising prospect – was signed from Aberdeen. This new-look Celtic side, captained by Roy Aitken, quickly gelled and embarked on a 31-game unbeaten run, culminating in a historic League Championship and Scottish Cup double win in the club's centenary season. Walker and McAvennie forged a successful partnership up front whilst Paul McStay enjoyed his finest season, winning both the SPFA and Scottish Football Writers player of the year awards. Celtic clinched the league title on 23 April 1988 with a 3–0 win
Celtic F.C. cup final win saw Celtic go through the entire domestic season unbeaten. On 26 November 2017, Celtic won their 4th consecutive domestic trophy for the first time since Jock Stein's side in 1970 with a 2–0 win against Motherwell in the Scottish League Cup final. On 17 December 2017, Celtic's record unbeaten run finally ended after 69 games with a 4–0 defeat to Hearts. Despite this disappointment, Celtic secured their 7th consecutive league title with a 5–0 win over Rangers at Celtic Park. The season ended with Celtic winning the first ever 'Double-Treble' (a treble in two consecutive seasons) in