Transfer news LIVE as Celtic and Rangers plus Aberdeen, Hearts and Hibs eye signings
Celtic are looking to get into the last eight of the Premier Sports Cup - but it's four more Brendan Rodgers is after when it comes to transfers.
And we understand the left-back position where Owen Beck is one of the top priorities to provide backup for Greg Taylor. It's then all about a winger, a striker and a new midfielder, though the latter may depend on what happens with Matt O'Riley, with Atalanta finally giving up on the playmaker.
On the other side of the River Clyde, Rangers boss Philippe Clement knows what he has to work with and Cyriel Dessers made his case off the bench against St Johnstone with a matchwinning display. There's still no sign of Todd Cantwell though while an injury to Robin Propper may underline the need for reinforcements.
Hearts may not have the strength in depth many thought they did after a heavily rotated side crashed out of the Premier Sports Cup at Falkirk. Rivals Hibs, meanwhile, may have been handed a boost in the hunt for Luke McCowan after he was curiously stripped of the Dundee captaincy in their rout over Airdrie.
Topi Keskinen made an instant impact at Aberdeen in their late win over Queen's Park and Jimmy Thelin may push for more arrivals before the window closes.
Down south, Liverpool made a good start to life under Arne Slot but they're the only side in Europe's top five leagues not to make a signing in the last two windows. That will surely end soon.
It's set to be a busy one - look back over this week's rumours and done deals right here.
Celtic could be eyeing up their next Ryan Christie-style gem in Luke McCowan, according to pundit Andy Walker.
The Hoops are believed to be keeping tabs on the Dundee midfielder, who is officially the Dens' club captain but curiously