Hummels
Eight of his 23-man squad are still eligible for national youth teams, including 19-year-old Kai Havertz, Loew said.
Germany coach Joachim Loew is not planning to call up world champions Jerome Boateng, Mats Hummels and Thomas Mueller any longer, saying the team needs to look to the future.
Bayern Munich eased past Celtic 3-0 in the Champions League on Wednesday.