How will those contrasting fortunes affect the Old Firm as they head into this week's Europa League last-32 second legs?
Rangers will need to recover quickly from the disappointment of losing further ground domestically as they travel on Wednesday to face Braga holding a 3-2 lead.
Celtic will be cock-a-hoop as they entertain Copenhagen the following evening looking to build on a 1-1 draw in Denmark.
Before then, we have more live Premiership action on Tuesday, when Motherwell host St Mirren looking to beat the latest incoming storm in a rearranged game.
Join us then for more build-up, live commentary and post-match reaction.