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
The Invincibles (football) football. Italian clubs Milan and Juventus received the nickname after winning the 1991–92 and 2011–12 Serie A titles respectively. Celtic earned the nickname after going unbeaten across domestic league and cup competition during the 2016–17 season in Scotland. Preston North End became known as "The Old Invincibles" after they won the inaugural Football League competition in 1888–89, completing the season unbeaten in both the league and the FA Cup, so becoming the first team ever to achieve the "Double". Preston's league record was 18 wins, 4 draws and 0 losses, out of 22 games played, while their cup record was