Sampdoria have offered £6m plus £1.5m in add-ons for Arsenal midfielder Jack Wilshere, according to Sky in Italy.
Manchester United will play Sampdoria in Dublin this summer after adding a seventh game to their tour schedule.
Juventus clinched a record sixth straight Serie A title with a 3-0 win over Crotone in the penultimate round on Sunday.
England goalkeeper Joe Hart had a game to forget as Torino were thrashed 5-0 by Napoli, while Roma beat Juventus.
Napoli took advantage of Roma's derby defeat to close to within one point of second place in Serie A with victory over Inter Milan.
Juventus took a giant leap towards securing an historic sixth consecutive Serie A title by thrashing hapless Genoa 4-0 in Turin.