Champions League draw LIVE as Celtic and Rangers seeding system explained
They kicked off their Premiership campaigns at the weekend - now Celtic and Rangers will turn their gaze towards Europe.
The two Glasgow giants' names go into the Champions League playoff round draw hat in Switzerland.
And that means they will find out who stands in their way of a place in the lucrative league phase of UEFA's premier competition.
Rangers, of course, still have to negotiate a third qualifying round tie against Viktoria Plzen to ensure they get there. But it will be an incentive to know their potential opponents.
In Celtic's case, they already know what it's like to be in with the big boys in the revamped tournament.
Brendan Rodgers led his side there last season and they made it out of the single 36-team table and into the knockout phase play-off round, narrowly going down to Bayern Munich.
Having experienced it, they will be desperate to get back there. And for Russell Martin it would be a huge boost to what he's trying to achieve at Ibrox.
It's been three years since the two fierce rivals were both in the group stage of the Champions League. Can they do it again?
Follow all the excitement and drama of the draw right here in our LIVE blog!
Despite being a seeded team, it's the luck of the draw whether Celtic have the decisive second leg at Parkhead.
Both seeded and unseeded clubs will be placed into a bowl and shuffled.
The first ball drawn is considered the home team for the first leg, with the return leg to be played away against the opponent.
Home advantage only comes into play in Uefa competition in post-league phase knockout matches.
So, essentially, there's a 50/50 chance that the second leg will be played in front of 60,000 fans in Glasgow's east end.
Brendan Rodgers will certainly