Three in the hat and one more to join them in the Scottish Cup semi-finals as the competition reaches the business end.
With Hearts, Hibs and Rangers already through to the last four, Dundee United host Celtic for the final fixture of the round.
Should the visitors make it through to Hampden it would be the first time both big Edinburgh clubs and both of Glasgow's giants have made it to this stage in the same season.
And with the draw for the semi-final looming, teams are eager to find out their Hampden opponents.
Hearts got the action started on Saturday night as Robbie Neilson's side swept St Mirren aside in a thriller at Tynecastle.
Then Hibs kicked off a 'Super Sunday' double header as they defeated Motherwell before Premiership champions Rangers progressed past Dundee with ease.
And then the final of the four showdowns comes at Tannadice on Monday night as Dundee United welcome Celtic.
All eyes are on the weekend of Saturday 16 & Sunday 17 April now and here is everything you need to know ahead of the draw.
When is the draw?
The draw takes place on Monday, 14th March.
It will commence after Dundee United vs Celtic which kicks off at 7.45pm.
Assuming there is no extra-time or penalties, expect the draw to kick off around 9.45pm.
Who is showing it?
Premier Sports will be streaming the draw after their coverage of Dundee United vs Celtic.
You can watch it on Premier Sports 1 or stream it online via Premier Player.
Who is in the draw?
The winners of each of these four matches will go into the hat:
Hearts vs St Mirren
Motherwell vs Hibs
Dundee vs Rangers
Dundee United vs Celtic
