Between 2014 and 2016 Maas, who played for Arminia Bielefeld and Hertha Berlin in the Bundesliga plus MSV Duisburg in the second division, was assistant coach to the current Bayer 04 head coach Peter Bosz. They were in charge at Dutch club Vitesse Arnhem for a total of 62 games in the Eredivisie. “In Rob Maas, we’ve appointed an innovative and strong-minded assistant coach who fits in really well here. He knows the Bundesliga and has already worked successfully with Peter Bosz. Rob will provide new ideas,” declared sporting director Simon Rolfes.
For Rob Maas, Bayer 04 are “a highly ambitious and very attractive club. That’s not just the perception in Germany but Leverkusen also have an outstanding reputation across Europe,” said Maas. “To be able to work with fellow coaches in developing an extremely exciting team is a fantastic challenge I’m really looking forward to.”
Werkself-TV shows the highlights of the Bayer 04 women's 0-1 loss against TSG Hoffenheim on the 19th matchday of the Google Pixel Frauen-Bundesliga 2025/26.
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Bayer 04 Leverkusen will have to manage without defender Loïc Badé for the time being. The Frenchman suffered a muscle injury in his right thigh in Saturday’s 1-0 Bundesliga defeat at FC Union Berlin. The diagnosis was the result of an MRI scan this Sunday morning.
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It is an expression of solidarity and a tribute to the unique fan culture Under the Cross: Bayer 04 Leverkusen make a special statement with the "50 Years of Fan Clubs" jersey. To mark the founding of the "First Fan Club 1976 Leverkusen", which was followed by many more over the years right up to the present day, the Bundesliga club is commemorating 50 years of passion with this new jersey. Highs and lows, successes celebrated together as well as defeats suffered are manifested in this piece of white fabric, a symbol of unwavering identification with the Werkself.
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A proud anniversary: 2026 marks the 50th anniversary of the founding of the first Bayer 04 official fan club. The pioneers of the "First fan club 1976 Leverkusen" still hold their love for the club dear, black and red passion knows no expiry date. Read on to discover the development of organised fan culture at Bayer 04 and where it is practised around the country and the world.
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