Torreira just didn't stay at Fiorentina because the club couldn't afford the purchase clause of 12.5 million euros (approximately R$ 67.8 million). Although coach Mikel Arteta wants to see him in pre-season, the Uruguayan wants to leave Arsenal permanently.
Torreira is the absolute starter of the Uruguayan national team.
Being frequently at a European club is essential for him to remain in the Uruguayan national team. At the World Cup, Uruguay is in Group H, along with Portugal, Ghana and South Korea.