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.”
Bayer 04 will have to manage without attacking midfielder Martin Terrier for the time being. The Frenchman sustained a muscle injury to his left hamstring yesterday, Thursday 15 October, during the Europa League game against Polish champions Lech Poznan (4–0). Terrier is not expected to be available until late December.
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Following the international break, the Bayer 04 women’s team face their next head-to-head clash in the race for a top spot in the Bundesliga. In Saturday’s home match (14:00 CEST), the fourth-placed side host third-placed Eintracht Frankfurt at the Ulrich Haberland Stadium. Head coach Roberto Pätzold is well aware of the great opportunity this presents for his team.
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Malik Tillman described Leverkusen’s first European competition game in Poland in more than three decades as a “successful trip”. On matchday 2 in the group stage of the 2026/27 UEFA Europa League, the Werkself secured a commanding 4–0 victory away at champions Lech Poznan, a result that brought a number of positives. This fourth win in a row should also provide further momentum for the upcoming home fixture. The Werkself review of the Europa League night in Poland.
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Werkself TV shows the highlights of Bayer 04's 4-0 win at Lech Poznan on Matchday 2 of the 2026/27 Europa League season...
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