The Scottish champions come up against familiar foes in the form of the Norwegians as they get their group stage campaign under way
Celtic lock horns with Rosenborg for the third time this season as they get their Europa League campaign under way.
Brendan Rodgers' side missed out on a place in the group stage of the Champions League so they will be eager to redeem themselves by mounting a strong push for glory in UEFA's second-tier club tournament.
For the visitors, the game offers an ideal opportunity to exact revenge, but they will be keen not to let such thoughts get in the way of their strategy.