Celtic are eyeing some reinforcements to sort out a leaky defence but their pursuit of American defender Mark McKenzie may be under threat thanks to constricting work permit rules.
Neil Lennon will also be desperate to keep some key men as Jeremie Frimpong was named as a Roma transfer target by Italian media - but understands there's nothing in the rumour.
Meanwhile Rangers fancy Colombian striker Juan Alegria to add another attacking option but, again, Brexit could mean Steven Gerrard faces a battle to get that one over the line.
The Ibrox boss suffered a first defeat of the season as St Mirren dumped his side out of the Betfred Cup in midweek but there's no reason for a knee-jerk reaction.And in the saga of the window super-agent Mino.