Celtic have emerged as suitors for Chelsea left-back Landon Emenalo, with the 18-year-old reportedly given a tour of the club's Lennoxtown training facility as talks over a potential loan move progress, according to the Scottish Sun.
The Scottish champions are also understood to be reconsidering a move for Canada international Niko Sigur, the 22-year-old right-back currently at Croatian side Hajduk Split, in a report carried by the Daily Record. Sigur had previously been on Celtic's radar and appears to be back in contention as the club looks to strengthen its defensive options.
In midfield, Celtic are said to be closing in on a deal for Paderborn's Mika Baur. The 24-year-old German-based midfielder is reportedly on the verge of a move to Parkhead, according to STV.
Elsewhere, West Ham United have reportedly returned with an improved offer for Celtic midfielder Arne Engels, guaranteeing a package worth £25m including promotion-related bonuses, according to reporting from Alan Nixon. Meanwhile, Everton are said to be continuing to monitor Celtic right-back Alistair Johnston, despite having cooled their interest previously due to Celtic's £15m valuation of the player, per Football Insider.
Across the city, Rangers are dealing with their own flurry of transfer activity. Sevilla have joined West Ham in the race for Rangers midfielder Connor Barron, 23, according to a report from Hayters. On the incoming front, Rangers appear close to finalising a deal for PSV Eindhoven winger Couhaib Driouech, with the 24-year-old having passed his medical and only the final details of a four-year contract left to be settled, according to a post from journalist Mounir Boualin.
Former Rangers manager Graeme Souness has weighed in on the club's recruitment strategy, cautioning against over-reliance on data analytics when it comes to player scouting, in comments reported by the Daily Record.
Elsewhere in the Scottish game, Hibernian are reportedly demanding a fee in excess of £4m for Zimbabwe international midfielder Miguel Chaiwa, with the Edinburgh club in no rush to sanction a sale, according to the Herald.
In Aberdeen, Norwegian outfit SK Brann are closing in on a deal to sign defensive midfielder Kjartan Mar Kjartansson, 20, according to Sky Sports.
Down in Dundee, the club is expected to intensify its search for a new striker after Ashley Hay was ruled out for up to six weeks. Dundee also remain interested in Bromley defender Omar Sowumni, having already seen one bid for the player rejected, according to the Courier.
In the Scottish Championship, Morton manager Ian Murray has expressed concern that his side could be forced to forfeit fixtures unless the club is able to bring in additional players, as reported by the Greenock Telegraph.
On the international front, former Belgium and Portugal head coach Roberto Martinez is no longer considered a candidate for the vacant Scotland manager's job, according to the Scotsman. Additionally, former Aberdeen boss Stephen Glass has turned down an offer to take charge of the Scotland Under-21 side, the Daily Record reports.
With the transfer window continuing to generate speculation across both halves of the Old Firm and beyond, further developments are expected in the coming days as clubs look to finalise deals before the deadline.
Based on reporting from BBC Sport, Scottish Sun, Daily Record, STV, Alan Nixon on Patreon, Football Insider, Hayters, Mounir Boualin on X, The Herald, Sky Sports, The Courier, Greenock Telegraph, and The Scotsman.