Chelsea interested in signing Portugal star Joao Mario

Premier League outfit Chelsea are set to reignite their interest in signing Sporting midfielder Joao Mario and are preparing an offer, according to O Jogo.

Joao Mario was one of the stars of Portugal's Euro 2016 triumph, with new Blues boss Antonio Conte impressed by his performances.

And the Stamford Bridge outfit are now set to bid €40 million as they look to bolster their squad ahead of next season.