Celtic and Rangers begin their Europa League group stage campaigns today after coming through the play-offs last month.
Ange Postecoglou's side trained at Celtic Park on Wednesday before jetting out to Seville for their Group G opener against Real Betis, kick-off 5.45pm.
Steven Gerrard's men begin their Group A fixtures against Lyon at Ibrox, kick-off 8.00pm.
Qualification from the group stage
The eight group winners will progress to the last 16 of the Europa League.
Group runners-up go into the new knock-out round play-offs, where they will take on the third-placed Champions League teams for places in the last 16.
Third-placed sides transfer to the Europa Conference League knock-out round play-offs.