
It did not look good at first sight. Karim Bellarabi overstretched his right knee during a session on Saturday (4 August) in Zell am See. He remained on the ground for several minutes and had to receive treatment. Karim wanted to train with the team in the afternoon but the medical section decided to take him out of training for a closer examination.
He underwent an MRI scan. The diagnosis: a slight strain to the anterior cruciate ligament. Following discussions with the doctors, head coach Heiko Herrlich decided to rest Karim for two weeks.
Charles Aranguiz (knee) will also have to wait for a couple of days. The Chilean midfielder has worked well on his own but he will not be able to join in with team training this week.
The same applies to Leon Bailey, who picked up a painful shoulder injury in the friendly against Basaksehir Istanbul. Heiko Herrlich believes the Jamaican will rejoin his team-mates in training next Tuesday. He will not be available for the DFB Cup game at Pforzheim (18 August).
Isaac Kiese Thelin could feature in the friendly against Valencia (11 August). The Swede trained for the first time with his new team-mates on Wednesday and he made a good impression. "He scored five goals with headers," reported Heiko Herrlich. "Of course, he needs time to settle in but we want to take him to Valencia."


Ten years after retiring as a player, Kristina Sundov is returning to the Bayer 04 Women’s team as assistant coach. The 39-year-old former Croatia international takes over from Remzi Kahraman, who has taken up a new challenge abroad. She has been given a contract to 30 June 2028.
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The training pitches at the BayArena are already buzzing with activity again, even before training officially begins next week. On Monday morning, a small group from the Werkself first-team squad completed a session lasting around an hour. Both new and familiar faces were present.
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One ticket, two matches – and a varied programme of events, including appearances by players from the professional teams: Bayer 04 has come up with something very special for the 2026 season launch on Saturday, 8 August. From morning right through to the evening, Werkself fans can use just one ticket to not only enjoy top-class football from the Bayer 04 teams live, but also to experience unforgettable moments with the whole family through a variety of hands-on activities around the BayArena and the Ulrich Haberland Stadium. The day will also end on a real high note: after both matches, Bayer 04 supporters will have the opportunity to interact directly with the players during joint activities and get to know them from a different angle.
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Issa Traoré is moving from Bayer 04 Leverkusen to Slovakian top-flight side AS Trencin. The club has loaned the centre-back out for one year to this year’s ninth-placed team in the Slovakian league.
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