The midfielder has played only once for Germany in 18 months and has struggled for form since 2014's World Cup triumph.
Lothar Matthaus has advised Mario Gotze to seek a move away from Borussia Dortmund in order to resuscitate his career.
Gotze’s form has stalled since he scored the winning goal for Germany in the 2014 World Cup final, and he was not selected in Joachim Low’s squad for the defence of their title in Russia in the summer.
He re-signed for Dortmund 2016, three years after leaving to join Bayern Munich in the wake of Jurgen Klopp’s side’s run to the Champions League final in 2013, but he has failed to recapture the form that once made him one of Europe’s most sought-after midfield players.