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
2009–10 Celtic F.C. season 2009–10 Celtic F.C. season The 2009–10 season was the 121st season of competitive football by Celtic. Celtic started their 2009–10 campaign by playing in the pre-season Wembley Cup. Their first competitive game of the season was at Celtic Park on 29 July where they were beaten 1–0 by Dynamo Moscow in the 1st leg of the Champions League third-qualifying round for best placed teams. However, in the return leg at Dynamo Stadium on 5 August, Celtic won 2–0 (2–1 on aggregate) thanks to a 44th-minute goal by Scott McDonald and a late injury-time strike from Georgios Samaras, giving Celtic a