RB Leipzig have been boosted by the return of forward Timo Werner to training from injury.
Bundesliga side Eintracht Frankfurt are aiming to hold on to all of their key players during the January transfer window.
The Premier League was the leading division at the tournament, with a total of 33,786 minutes shared between 121 players, ahead of Spain’s La Liga (18,343) and Germany’s Bundesliga (14,289).
Bayern Munich goalkeeper Manuel Neuer is out for the rest of the season after breaking his leg.
Oliver Bierhoff has left his role as Germany's sporting director with immediate effect in the wake of their early elimination from the World Cup in Qatar.
Bayern Munich youngster Jamal Musiala has revealed that Germany had high hopes for the 2022 World Cup and were left deflated by their failure to progress.