Sporting and Naples are working to close Alisson Santos' loan this Sunday, in a deal that could reach 20 million euros. According to the More footballthe Italians will pay 3.5 million euros in transfer fee, with a purchase option of 16.5 million euros. In the agreement still under discussion between the two parties, the lions are on track to secure 10 percent added value on a future sale of the 23-year-old player. Alisson Santos, remember, was the scorer of the decisive goal in the 3-2 victory over Athletic Bilbao, last week, in the last round of the Champions League league phase.