Sven Bender took a knock to his right ankle in a challenge after an hour of the training session. He received treatment on the pitch before being taken to the dressing room by the physios. According to the medics, the 29-year-old central defender has not suffered a serious injury. And Heiko Herrlich is hopeful his number five will be available for Saturday. The keeper Thorsten Kirschbaum also had to drop out after 30 minutes due to a thigh problem.
Lars Bender and Kai Havertz did not train on Wednesday. The captain took a tumble in yesterday's afternoon session and today worked on his own in the gym at the BayArena. The same goes for the youngster Havertz who was rested by the coaching staff as a precaution. "Kai is only 19, he took part in all the sessions in the pre-season and he has played a lot of football recently – it is part of my responsibilities to him to make sure he is not exposed to extreme workloads like yesterday's training by resting him from time to time so we don't overextend him," said Herrlich before adding: "Theoretically, he could have completed the whole session today." The situation with Lars Bender is more involved but the Werkself head coach did emphasize he is including the number eight in his plans for the Gladbach game on Saturday as things stand.
There is optimism regarding Charles Aránguiz – particularly after the blow of losing Julian Baumgartlinger due to a knee ligament injury. "Charly is looking really good and he's improving in leaps and bounds at the moment," declared Herrlich in describing the condition of the 29-year-old Chilean who has been less involved over recent weeks due to knee problems. It appears unlikely that Aránguiz will feature on Saturday.
In spite of the many injuries and knocks, Herrlich is relaxed ahead of the start of the league campaign. "We still have an incredible number of outstanding players and quality on the pitch. I'm sure we can compensate for the absentees," said Herrlich, who has organised two further training sessions ahead of the opening league fixture – both behind closed doors.
Strengthening the Bayer 04 Leverkusen youth teams: Konstantinos Kotsifakis will join the Werkself from Bundesliga 2 club Hertha Berlin for the 2026/27 season, where he will be a permanent member of the Leverkusen U19 coaching set-up. The German-Greek will also take on an operational role in coaching the Bayer 04 Future Team. The 29-year-old was most recently head coach of the U17s at Hertha Berlin.
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Another award for the Bayer 04 head groundsman and staff: After coming top in the 2021/22, 2022/23 and 2024/25 seasons, the BayArena pitch came second in the Bundesliga Pitch of the Year ranking for the 2025/26 season. VfL Wolfsburg secured the top spot this year, with TSG Hoffenheim in third place.
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Opening opponents, derby weekends, the opponents in the season finale: This information and more will be available to Bayer 04 fans on Thursday, 2 July, when the 2026/27 Bundesliga fixture list is published.
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The next footballing highlight is just around the corner: the 2026 FIFA World Cup, the 23rd edition of the tournament, will be held in the USA, Canada and Mexico and feature 48 teams for the first time. Bayer04.de has all the latest on the Werkself players called up to represent their countries.
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While the majority of the Bayer 04 Women are enjoying their summer break, nine Werkself players will be on duty for their national teams in the coming days. Three of them are competing for a place at the World Cup, while six are involved in two friendlies with the Germany U23 team.
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