The central midfielder was linked with a move to Bologna and Panathinaikos in recent weeks but has opted to remain in Serie A and join Sinisa Mihajlovic’s side, where he becomes the fifth summer reinforcement after Arlind Ajeti, Adem Ljajic, Iago Falque and Sasa Lukic.
According to Tuttosport, the Granata will pay the Rossoblu €1.3 million for the 25-year-old, who is expected to join the rest of the squad later on Friday after he finishes medical tests.
Tachtsidis returns to Torino after two years away having played for Il Toro for six months back in 2014 while on loan from Catania.
He spent the 2014/15 season on loan at Hellas Verona from Genoa where he appeared in 34 matches, scoring three goals.
The Greek international has over 100 Serie A appearances for various clubs including Roma and Catania.
