 The 2014–15 Scottish Professional Football League season commenced on 9 August, the weekend after the conclusion of the 2014 Commonwealth Games.Celtic played their first two home European ties in 2014–15 at Murrayfield Stadium in Edinburgh because their normal home stadium, Celtic Park, was used for the opening ceremony of the 2014 Commonwealth Games.In their third qualifying round tie, Celtic lost 4–1 to Legia Warsaw in Poland and 2–0 at Murrayfield, which appeared to give Legia a 6–1 aggregate victory.