Fernandez's career earnings generated for River have reached a staggering €57.12 million across multiple European transfers. Former president Jorge Brito negotiated a clever deal by selling him to Benfica for €18 million while retaining a 25% sell-on clause, which paid off handsomely when Chelsea signed him for €121 million six months later. The Buenos Aires giants continue to reap massive dividends from their youth development model and well-structured sell-on agreements.