Midfielder João Oliveira plays for Luzern and made an appearance in their only Super League match so far in 2017/2018.
The last Super League game that Oliveira played came on July 23 for Luzern against Lugano; a meeting that he played 12 minutes in during a 1-0 win.
A trip to Basel on July 30 in the team's next Super League fixture is next up for Luzern, who have 54 points and are in third spot.
Last season for Luzern, Oliveira made 15 Super League appearances and scored two goals.
Oliveira switched to Luzern in July 2018 from Luzern, for whom he made 32 league appearances in total, scoring two goals.