Nantes midfielder Amine Harit has attracted the interest of Schalke with his fine performances for the Ligue 1 side and France Under-20s.
Edin Dzeko would welcome a return to Wolfsburg but has no plans to leave Serie A giants Roma ahead of the new season.
Serge Gnabry has signed a three-year deal with Bayern Munich after previously announcing he would leave Werder Bremen.
After undergoing cruciate ligament surgery, Marco Reus has sent a message to his fans, promising to "do anything" to return to fitness.
Werder Bremen chairman Klaus Filbry criticised Germany international Serge Gnabry for leaving the club after one season.
Bayern Munich midfielder Thiago Alcantara believes the Bundesliga significantly changed as a result of Pep Guardiola's time in Germany.
Despite AC Milan's failure to qualify for the Champions League, Emil Forsberg has suggested he would still be interested in a move to Italy.
Schalke had reservations over moving for Thomas Tuchel due to his time as Borussia Dortmund head coach.
Jupp Heynckes thinks it will not get much better for Real Madrid star Toni Kroos after winning the Champions League a third time.