Olympiacos edged Juventus 1-0 on Wednesday night in Piraeus after a first-half goal from Pajtim Kasami.
Long-serving goalkeeper Gianluigi Buffon is poised to sign a new contract at Juventus taking him through to 2017.
Fiorentina goalkeeper Norberto Neto has no interest in joining Juventus and remains in contract extension talks.
Konstantinos Manolas claims to have snubbed interest from Arsenal and Juventus in favour of joining Roma.
Arturo Vidal says he is feeling 'very good' at Juventus and has denied reports suggesting he has been fined by the club.
Juventus dropped their first Serie A points of the season when they were held to a 1-1 draw at Sassuolo.
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