According to this morning's report from Corriere dello Sport, rumours from England suggest that Newcastle may be attempting to acquire Fikayo Tomori. The English club would thus be returning to do business with the Rossoneri after acquiring Sandro Tonali a year ago. At the moment, however, no official proposal has been received at Casa Milan, so for now, these are just market rumours.
It is unlikely that Milan would give the green light to Tomori's sale (unless, of course, an irresistible offer comes in, as happened a year ago with Tonali).
The Rossoneri have already lost Simon Kjaer, and selling the Englishman as well would mean losing two leaders of Milan's defence in one summer.
