Celtic claim a fee was agreed with Manchester City for John Guidetti prior to them taking the striker on loan.
Xabi Alonso claims no Premier League offers were put to him before leaving Real Madrid for Bayern Munich.
Lille midfielder Idrissa Gueye has agreed a three-year contract extension.
The 23-year-old Senegal international is now tied to the Ligue 1 club until the summer of 2018.
Gueye was a member of the Lille squad that won a league and cup double in 2011 and has made 80 league appearances since his debut in 2010.