Premier League champions Man City could be keeping an eye on Atletico Madrid and Portugal star Gelson Martins during the international break, according to a report.
The Daily Star claims that Bernardo Silva has given his Manchester City manager Pep Guardiola "glowing reports" about his international teammate Martins.
The 23-year-old winger was hot property in the summer and was linked with the likes of Liverpool, Everton, Arsenal and Tottenham before signing for Atletico in a deal rumoured to be worth around €15m.
Martins was one of several Sporting CP stars who sought to cancel their contracts with the Lisbon club this summer, after an incident in which supporters invaded the club's training centre and assaulted players.