He only made his senior debut a few months ago
Mendes did not feature for Sporting’s first team at the start of last season and it was only when the Portuguese league restarted back in June that he was given his senior debut by manager Ruben Amorim.
The teenager made his first appearance as a late substitute in the 1-0 win against Pacos Ferriera before starting seven of the last eight league games for Sporting.
