River Plate are due a bumper €30m windfall from Benfica's sale of Enzo Fernandez to Chelsea.

In a statement announcing Fernandez's departure for London, Benfica detailed former club River's cut of the fee.

Benfica announced: "Sport Lisboa e Benfica – Futebol, SAD has announced that it has reached an agreement with Chelsea FC for the transfer of all rights of the player Enzo Fernández, for an amount of €121m.

"Benfica underline that Chelsea will have the right to withhold the 3.78% solidarity contribution to be distributed to the clubs that participated in the player's training.

"Benfica will also have to pay River Plate 25% of the transfer value deducted from solidarity charges and brokerage services."