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
Glasgow Junior Football League with the long-running Lanarkshire Junior League as the Central Region, and eventually 2002 the Ayrshire Junior League (many of whose clubs had also been involved in the intermediate dispute of the 1920s, although they played in a separate division) joined to create the extant Scottish Junior Football Association, West Region. Two of the clubs who participated in the first season of the Glasgow Junior League in 1895–96 – Maryhill and Vale of Clyde – still play in the SJFA West, and others who joined in the 19th century (Ashfield, Glasgow Perthshire, Petershill and Rutherglen Glencairn) have also survived into the