Celtic F.C. their sixth successive league title on 2 April 2017, with a record eight league games to spare. As Celtic's unbeaten domestic run continued, they subjected Rangers to their heaviest defeat at Ibrox since 1915, 5–1, on 29 April. Celtic's 2–0 win over Hearts on 21 May saw them finish 30 points ahead of second-placed Aberdeen in the league, with a record 106 points, and the team became the first Scottish side to complete a top-flight season undefeated since Rangers in 1899. On 27 May 2017, Celtic clinched their fourth treble by defeating Aberdeen 2–1 in the Scottish Cup final. The
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