Bayer Leverkusen defender Tin Jedvaj will miss the start of the season due to a broken shin.
Croatia international Jedvaj suffered a hairline fracture to his right shin during a tackle in training on Thursday.
The 21-year-old does not require surgery but will be sidelined for approximately 10 weeks.
Leverkusen face a daunting Bundesliga opener against reigning champions Bayern Munich on August 18, a week after they travel to Karlsruhe in the DFB-Pokal for Heiko Herrlich's first competitive game at the helm.