As in the double matchday on the last weekend of the training camp in Zell am See-Kaprun, with the games against Watford and SD Eibar, Peter Bosz will again divide his squad into two teams with both line-ups playing the full 90 minutes. "We are already further ahead than we were at the training camp and you could see that in today's training session. It was no walk in the park – it was really hard work. But that's what the pre-season has to be about," said the head coach. "On Sunday, we have to make sure we avoid the mistakes we made in the previous friendlies. We want to be better and work on our game."
Anybody wanting to get a double helping of the Werkself on Sunday can purchase tickets for the matchday for three euros at the Bayer 04 shop in Wiesdorf (Wiesdorfer Platz 9, 51373 Leverkusen) or at the Fan House (Breidenbachstraße 46, 51373 Leverkusen). Proceeds from the ticket sales will be donated to the Leverkusen Fan Project.
Our opponents:
Heracles Almelo:
Almelo finished seventh in the Eredivisie last season. The club top scorer was the Spanish striker Adrian Dalmau with 19 goals. The team is managed by Frank Wormuth, who previously worked for the DFB as the Germany U20 coach and also as head of coach training. Bayer 04 coach Peter Bosz was twice in charge at Heracles, from 2004 to 2006 plus 2010 to 2013. Almelo reached the third qualifying round of the Europa League in 2016 but were knocked out after two draws with FC Arouca (1-1 and 0-0).
Vitesse Arnhem:
Peter Bosz also coached Vitesse from 2013 to January 2016 before moving on to Israel to take the helm at Maccabi Tel Aviv. Arnhem were fifth in the Eredivisie last season but missed out on qualification for the Europa League in the play-offs with a 2-0 defeat against Utrecht. The top scorer in the league last term was Bryan Linssen with twelve goals and the Norwegian Martin Ödegaard, on loan from Real Madrid, found the back of the net eight times. In 2017, Vitesse won the Dutch domestic cup competition with a 2-0 victory in the final against AZ Alkmaar. The current Arnhem coach is Leonid Sluzki, who previously was the Russia coach at Euro 2016. Bayer 04 beat Vitesse 4-0 in a friendly during the pre-season in 2013.
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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Rüdiger Vollborn has been at the club for 40 years, he holds the record number of Bundesliga appearances for the club (401) and is the only Bayer 04 player to have won both the UEFA Cup (1988) and the DFB Pokal (1993). And the Berliner stayed with the Werkself after ending his impressive playing career as he worked as a goalkeeping coach for the following nine years. Vollborn now works under the Bayer Cross as a fan liaison officer and club archivist. Since February 2021, the personal Black and Red lexicon takes Werkself fans under the heading of 'Rudi recounts...' on a brief trip through the history of Bayer 04 every month…
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