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
History of Celtic F.C. (1887–1994) this run of league championships, Celtic went 62 matches unbeaten from 20 November 1915 until 14 April 1917, a record in British football that stood for 100 years, until broken by Celtic themselves in November 2017. However, Celtic's time during World War I was mixed, although they enjoyed great success on the pitch. Football was not as important; attendances fell, player's salaries were reduced and there was increased pressure to complete the fixture list. On one occasion in 1916, during their 62 match unbeaten run, Celtic had to play two matches on the same day against Raith Rovers and Motherwell,