Bayer Leverkusen will start their campaign without Gonzalo Castro

The highly rated defender Gonzalo Castro has picked up an injury in the friendly game with Twente. According to the official club sources the young player will be out for more than a month as he has broken bone.

Bayer Leverkusen are facing Mainz on Saturday. Don not forget to check the match preview and expected formations which will be available one day before the game at your trustful betting source - Infobettor.com .