Napoli is observing Sporting Lisbon's 23-year-old Brazilian winger Alisson Santos as part of the club's monitoring of the Portuguese market. Santos, who has been one of the profiles watched by the club in recent weeks, scored two goals in the Champions League, including one against Olympique Marseille. Sporting acquired the player for 2 million euros in July 2025 following a successful loan spell at Uniao Leira from Vitoria. It is expected that his development will be tracked for several more months to observe his evolution. His contract with the Portuguese club is valid until 2030, and his current market value is estimated by Transfermarkt to be €2.50m. In the 2025/2026 Liga Portugal season, Santos has made 8 appearances and provided 1 assist.