Inacio has a release clause set at €60 million, but Milan's hierarchy are looking to negotiate that figure down to around €40 million. The Portugal international has already made clear his willingness to move to Italy, though talks with Sporting are expected to be complex.
Amorim views Inacio's ability to build attacks from the back as a key part of his plans, with the centre-back's passing range seen as essential to the coach's 3-4-2-1 system. AC Milan's transfer plans extend beyond Inacio, with the club looking to sign two central defenders of contrasting profiles this summer, while also keeping an eye on academy talent.
Club representatives met the agents of Christian Comotto and Francesco Camarda on Tuesday, with Milan set to assess the forward and midfielder during pre-season training and friendlies before deciding on potential loan moves.
On the departures side, Milan have rejected interest from Liverpool in Christian Pulisic, with the American winger considered a central figure in the club's sporting project.
Backup goalkeeper Pietro Terracciano has also agreed a contract renewal with Milan, extending his stay at the club until 30 June 2027.
The moves outlined this week show a club working across multiple fronts at once, from the pursuit of a marquee defensive target to squad management decisions involving both academy prospects and established first-team players.
Milan's approach to the Inacio deal, in particular, suggests the club is confident of eventually closing the gap between the two sides, even if the release clause remains a significant obstacle for now.
The decision to hold onto Pulisic underlines the American's importance to Milan's project under Amorim, with the club unwilling to entertain offers despite Liverpool's interest.
Terracciano's renewal, meanwhile, gives Milan continuity in a goalkeeping department that has largely stayed settled, even as the club reshapes other areas of the squad.
For Comotto and Camarda, the coming weeks of pre-season are likely to prove decisive, with their performances in training and friendly matches set to determine whether Milan send them out on loan or keep them involved with the first team.