
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.”

The groups for the 2026 World Cup in the USA, Canada and Mexico have been finalised. At the draw in the USA capital Washington D.C., which was hosted by German top model Heidi Klum and others, 48 teams were drawn for the first time. The groups at a glance.
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As part of the joint commitment of Bayer 04 and the City of Leverkusen to volunteering, the annual Volunteer Day took place in the 19nullvier Lounge at the BayArena. Fernando Carro, Bayer 04 CEO, Stefan Hebbel, Mayor of the City of Leverkusen, and club representative Stefan Kießling praised the commitment of the 200 or so volunteers from the region in attendance and thanked them for their impressive efforts.
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After three defeats in a row, the Bayer 04 Women are aiming to get back on track against RB Leipzig. In the home game on Saturday (14:00 CET) at the Ulrich Haberland Stadium, coach Roberto Pätzold will probably be able to count on two key players recently sidelined due to injury.
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The clubs in the Google Pixel Women's Bundesliga will set up the Frauen-Bundesliga FBL e.V. On 10 December. The clubs have joined together to open a new chapter in the history of German women's football.
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