While Milan work to reach a final agreement with Young Boys for Zachary Athekame, one thing seems certain: if the deal goes through, it would become the most lucrative transfer for a Swiss club in this transfer window.
The current record belongs to Leon Avdullahu, a midfielder who left Basel for Hoffenheim for €8 million. He is followed by Filip Ugrinic, who moved from Young Boys to Valencia for €4 million, and Cheik Niasse, who went from Young Boys to Verona for €3.5 million.
Looking at the broader picture, the absolute record is held by Breel Embolo, who in 2016 moved from Basel to Schalke 04 for €26.5 million. In second place is Riccardo Calafiori, whose transfer from Bologna to Arsenal last summer brought a significant sum to Basel, which had reserved a sell-on clause.
Between the sale to Bologna and the percentage from his move to Arsenal, Basel collected €24.5 million. Closing the podium is Manuel Akanji’s 2018 transfer to Borussia Dortmund, which earned Basel €21.5 million.
