Chelsea chiefs have done extremely well when it comes to selling players this summer, with BlueCo's mass car boot sale raising north of £300 million.
Enzo Maresca's side have a unique pact with UEFA after they were slapped with a conditional fine for breaching FFP last month.
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A condition of the settlement is that Chelsea must sell certain players from their 'A-List' Conference League squad last season if they want to register new signings for the Champions League this term, meaning the Blues have been under pressure to offload squad members.
Kepa Arrizabalaga, Basir Humphreys, Noni Madueke, Marcus Bettinelli, Mathis Amougou, Djordje Petrovic, João Félix, Ishe Samuels-Smith, Kiernan Dewsbury-Hall, Armando Broja, Lesley Ugochukwu, Renato Veiga and Carney Chukwuemeka have all left Stamford Bridge on permanent deals this window, raising a mountain of cash and allowing the club to produce a positive net spend.
Madueke, Amougou and Dewsbury-Hall's departures also contribute towards Chelsea's goal of a 'positive transfer balance' by September, so they can insert new players into their Champions League ranks ahead of what will be a testing 25/26.
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Antony in action for Real Betis in Europa Conference League final against Chelsea's Noni Madueke.
Lately, their potential deals for one of Xavi Simons or Fermin Lopez, with Man United winger Alejandro Garnacho, have stalled due to their need to sell both Christopher Nkunku and Nicolas Jackson - which is a result of their UEFA agreement.
Garnacho has agreed personal terms with Chelsea, while it is believed that Barcelona's Lopez is coming round to the idea of a potential west London move if Maresca's side opt for the Spaniard instead of Simons.
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Chelsea now face stiff competition from Tottenham for the latter, so if they do really want the Dutchman, BlueCo will need to hurry as Spurs are desperate to sign a playmaker.
According to reports, Simons is jetting to London for transfer talks amid Chelsea and Spurs' interest, so this race is definitely worth keeping an eye on.
Luckily for Chelsea, they have just freed up space in their squad for one of Simons or Lopez by agreeing to sell Nkunku to AC Milan.
Chelsea agree Christopher Nkunku exit with AC Milan deal done
According to Fabrizio Romano, who broke the news first, Chelsea have verbally shaken hands on a deal with Milan over Nkunku, with the £195,000-per-week Frenchman set to pen a five-year deal at the San Siro.
The BBC's Nizaar Kinsella estimates that, following this transfer, Chelsea have raised around £310 million from outgoings to balance out £277 million spent on transfers - so Maresca's side certainly won't have to worry about PSR.
Chelsea's Christopher Nkunku celebrates scoring their first goal
Chelsea's Christopher Nkunku celebrates scoring their first goal
A move to Serie A also comes as the fresh start Nkunku needs to become a mainstay star, having contributed well under Maresca when called upon.
The Frenchman bagged 15 goals in all competitions despite coming mainly off the bench and starting in the Conference League, with João Félix calling him a "top player".