Nico Williams reportedly chose to stay at Athletic Club de Bilbao after Barcelona refused to insert an exit clause in his contract in case they could not register him. The Spain winger had verbally

Nico Williams has signed a new contract with Atheltic Bilbao until 2035, after his move to FC Barcelona collapsed due to the Blaugrana’s registration issues

The transfer of Nico Williams from Athletic to Barcelona did not go through because the player demanded a clause in the contract allowing him to leave if registration was not possible, which the Catalan club refused,