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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.

Despite a major personnel shake-up in the summer, RB Leipzig have performed impressively this term. Ahead of matchday 15, coach Ole Werner's team are second in the Bundesliga with a three-point lead over their upcoming opponents Bayer 04. This Saturday, 20 December (kick-off: 18:30 CET), the Werkself are away to RBL who are strong at home. The lowdown on our next opponents.
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This year - for the third time - the parents of the Bayer 04 youth players from the U8 to U15 age groups once again took part in the WDR Christmas Miracle. Under the motto "Goals against hunger in the world - parents in goal!", they organised their own fundraising campaign to once again actively support the important WDR campaign. The sum of €3,420 was handed over at the Glashaus in Essen in the middle of the week during the live programme.
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On Tuesday evening, Bayer 04's main sponsor BarmeniaGothaer and its employees welcomed some very special visitors to the company's Christmas market at its headquarters in Wuppertal: Werkself players Robert Andrich, Mark Flekken, Loïc Badé, Jarell Quansah and Malik Tillman spent lots of time with Bayer 04 fans of all ages in the early evening – and also helped to serve drinks such as Glühwein (mulled wine) and delicious food.
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The Leverkusen eSports players picked up just one point on Tuesday 16 December in the remaining three matches of the online preliminary round of Showdown Three in the VBL Club Championship 2025/26. As a result, the #B04eSports team once again miss out on going through to the offline knockout phase and now head into the winter break.
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Bayer 04 Leverkusen has always stood for ambition, development, and progress. In recent years, these values have been reflected not only on the pitch, but beyond it. The Werkself continues to grow — regionally, nationally, and now more than ever internationally — and the recent visit from a delegation of our newest international fan club, Bayer4Arab, is a powerful example of this journey.
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