Celtic extended their unbeaten league run to ten matches after a 2-1 win at Partick Thistle, while St. Johnstone moved up to sixth in the Scottish Premiership after beating Motherwell.
Despite a 5-2 victory over Kilmarnock to warm up, Celtic manager Neil Lennon has looked to extinguish expectations of another win over Barcelona in the UEFA Champions League when the Catalans visit Parkhead.
Celtic produced a dramatic last-minute winner to beat Shakhter Karagandy at Parkhead while AC Milan, Real Sociedad, Zenit and Viktoria Plzen all secured spots in the UEFA Champions League group stage.
Celtic did just enough to qualify to the play-off round of the UEFA Champions league after playing to a goalless draw with Elfsborg at the Boras Arena.
Celtic strolled into the third qualifying round of the UEFA Champions League with a 2-0 win over Cliftonville, comfortably beating the Northern Irish club 5-0 on aggregate.
Scotland champions Celtic beat Northern Ireland champions Cliftonville away 3-0 in the first leg of their second round UEFA Champions League qualifying match.