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
2009–10 Celtic League 2009–10 Celtic League The 2009–10 Celtic League (known as the 2009–10 Magners League for sponsorship reasons) was the ninth season of the league now known as Pro12 and the fourth with Magners as title sponsor. The season began in September 2009 and ended with the Grand Final on 29 May 2010. Ten teams played each other on a home-and-away basis, with teams earning four points for a win, two points for a draw and a bonus point for scoring four or more tries in a match. The losing team may also earn a bonus point if they lose by seven