New AC Milan signing Lucas Biglia will be out for at least a month with a thigh strain.
Inter Milan's Gary Medel has confirmed he will join Besiktas in messages on the club's social media platforms.
Massimiliano Allegri says he considered quitting after Juventus were beaten by Real Madrid in the final of the Champions League.
Paulo Dybala has been handed Juventus' No. 10 shirt for the 2017-18 season, and has called the honour "a childhood dream come true."
Atalanta have completed their move for Middlesbrough midfielder Marten de Roon 13 months after selling him to the Teessiders for £12 million.
Juventus' bid to sign striker Patrik Schick from Sampdoria has fallen through, his club announced on Tuesday.