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 Bayer 04 Women's 2-1 win at SC Freiburg on Matchday 5 of the 2026/27 Google Pixel Women's Bundesliga.
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Calling Bayer 04 families – this matchday is all yours! As part of the Family Matchday on Sunday 20 September, not only will the Werkself take on RB Leipzig at 15:30 CEST but there will also be a variety of activity zones for young and old alike be set up around the BayArena. What’s more, genuine Bayer 04 rarities await Black and Red fans at the Fantrödel flea market. By taking part in the fan travel survey, Leverkusen supporters can help the club gather important information and even win a jersey before the Werkself hit the ground running against Leipzig on the pitch. The matchday news for RB Leipzig game.
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It has been a mixed start to the season for RB Leipzig. The team from Saxony have a flawless record at home but are less successful on the road to date. RBL are looking to change that in their away fixture at the BayArena on Sunday, 20 September (kick-off: 15:30 CEST). However, head coach Martin Demichelis will have to manage without a number of key players. The lowdown on our next opponents.
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With a flawless away record under their belts, the Bayer 04 women’s team travel to SC Freiburg. On Sunday 20 September (16:00 CEST), coach Roberto Pätzold’s side will be aiming for three points again, six days after their narrow defeat to Bayern Munich. The Werkself have emerged victorious from both of their away fixtures so far this season.
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