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
2006–07 Celtic League 2006–07 Celtic League The 2006–07 Celtic League (known as the 2006–07 Magners League for sponsorship reasons) was the sixth Celtic League season and the first with Magners as title sponsor. The season commenced on 1 September and was completed on 12 May. The teams competing remained the same as the previous season with four Irish provinces; Munster, Leinster, Connacht and 2005–06 champions Ulster, three Scottish regions; Edinburgh, Border Reivers and Glasgow Warriors and four Welsh regions; Llanelli Scarlets, Cardiff Blues, Ospreys and Newport Gwent Dragons. The league was won for the second time in three seasons by the Ospreys, with