Arsenal were handed a tough draw in the Champions League group stages as they were paired with Bayern Munich.
Spain midfielder Thiago Alcantara has signed a two-year contract extension with Bayern Munich.
Manchester United, Real Madrid, Bayern Munich and Chelsea are among six clubs to unveil adidas third kits for the 2015/16 season.
Bayern Munich have denied reports that they are planning on making a late attempt to sign Wolfsburg's Kevin De Bruyne.
Robert Lewandowski's late goal earned 10-man Bayern Munich a 2-1 victory over Hoffenheim.
Hoffenheim's Kevin Volland scored against Bayern Munich after just nine seconds on Saturday.