Germany were thrashed 6-0 by Spain in November, a result that has brought Joachim Low's future as Germany head coach into focus.
Liverpool legend Steven Gerrard is being closely monitored with Jurgen Klopp reportedly tempted by the Germany job.
Bayern Munich are boosted by the return of Thomas Muller for the game against Cologne at the Allianz Arena on Saturday.
A pair of Borussia Dortmund stars are being targeted by Manchester City.
Jamal Musiala will play for Germany instead of England, perhaps as soon as next month, after agonising over his international future.
Jamal Musiala scored his first Champions League goal for Bayern Munich and Leon Goretzka hopes the youngster commits his future to Germany.
Michael Ballack said Germany should only call up Bayern Munich youngster Jamal Musiala if the England Under-21 star has a desire to do so.
Jamal Musiala is set to receive his first Germany call-up and Hansi Flick will leave the decision as to whether to accept up to the winger.
Playing Champions League football with his boyhood club Fenerbahce is Mesut Ozil's aim rather than making a Germany comeback.
Leroy Sane believes he has been badly portrayed and that has led to the Bayern Munich winger questioning himself.