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"The full focus is now on Heidenheim. We need our Bundesliga mindset again, that's of great importance as the league is the most important competition for us," explained Alonso right at the start of the press conference on Friday afternoon. As in every game, the team go into the clash with the newcomers with the highest levels of concentration and maximum respect. "Otherwise we will have problems," said the Spaniard.
The Black and Reds face FC Heidenheim on Sunday for the second time in a competitive match. For most the Werkself players, the team from Baden-Württemberg are a completely new opponent that the team and coach Alonso have to be prepared for: "They are an intense team who we will have to be ready to challenge. We can't be timid and we have to be prepared for every style of play. Heidenheim are particularly dangerous at set pieces and that is still a weakness of ours. We are continuing to work hard on that."
In addition, Alonso explained: "Heidenheim have good energy and huge desire to battle as we could see against Bremen in Dortmund. I remember their promotion match last season – that was crazy." Heidenheim turned the game around against Jahn Regensburg scoring twice in added time to go 3-2 up and thereby seal the first promotion to the Bundesliga in the club's history. "They deserved to be promoted, it wasn't luck. They have passion and play with commitment," said Alonso.
The Spaniard also praised the visitors’ coach Frank Schmidt who has now been in the dugout at Heidenheim for 16 years: "I've got great admiration for him and I look forward to getting to know him on Sunday. Being in a leading position and in such an intense job for so long is unique and not easy. I wish him and his team all the best for the season."
The Werkself can again look forward to huge support at the match against the newly promoted club: the home section is already sold out. The away ticket office will be open on the matchday.
Alonso will again have to manage without Patrick Schick, Arthur as well as Timothy Fosu-Mensah.
For the game on Sunday, Bayer 04 have again organised a traditional family matchday under the motto "Together under the Cross", presented by main sponsor Barmenia. Werkself fans can enjoy family friendly offers and a wide-ranging programme with games and entertainment in and around the BayArena.

From the 2027/28 season, the Women’s Bundesliga will be organised by an independent league association. Following the unanimous decision taken at the DFB Bundestag (national conference) on Friday afternoon, the league’s separation from the DFB is now official.
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Following the Bundesliga clash against RB Leipzig (Sunday, 20 September, 15:30 CEST), some of the Werkself first team players will be heading off for the first international break of the season. Here is an overview of the Bayer 04 players called up for their national teams and all the details of their upcoming matches.
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A special visit to the BayArena: 222 members from volunteer fire brigades in Leverkusen, the Rheinisch-Bergisch district and the Oberbergisch district watched the Werkself’s 2–0 home win over Slovenian champions NK Celje live in the stadium. Bayer 04 had invited them to the 2026/27 Europa League opener as a thank-you for their tremendous dedication. They watched the match together in Block F4.
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The Bayer 04 U19s have extended their winning run with a fifth consecutive victory on Matchday 5 of the DFB Youth League’s preliminary round. Coach Patrick Greveraars’ side secured a 3–2 (2–1) win in their match against second-placed FC Viktoria Köln, with Burak Kir and Nebe Domnic scoring for the hosts in the first half before captain Ben Hawighorst found the net after the break.
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