Arjen Robben is doubtful for the season opener against VfL Wolfsburg due to lack of match practice.
Dortmund beat Bayern 2-0 in German Super Cup on Wednesday to win the first domestic title of the season.
Bayern Munich will not sign any more players during the current transfer window despite a series of injury setbacks.
Extra-time goals by Robben and Mueller help beat Dortmund as Munich complete domestic double.
Victory ended a bad run for Bayern, who had a slump in form, including a comprehensive CL semis defeat by Real Madrid.
Pep Guardiola said it’s up to the club to decide whether he’s the right coach or not.
Ramos, Ronaldo doubles give Madrid 4-0 win over Bayern, shot at 10th European title.
Bayern, beaten 5-0 on aggregate, were impotent in attack and ragged in the defense.
With superior head-to-head record in Munich, holders look to overturn 1-0 deficit against Real in CL semis.
The win will give Bayern a major confidence boost ahead of their semi-final second leg against visiting Real.
Madrid are looking to end a run of three straight semifinal exits to reach their first final since 2002.
Bayern Munich is winless since clinching the title with a record seven matches to play.
With 14 titles between them, Real and Bayern face off in semis; Chelsea meet Atletico.
Real Madrid will face Bayern Munich in Champions League semis; Atletico Madrid to play against Chelsea.
Guardiola is also struggling with the language, often mixing German and English in the same sentence.