
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 0-2 loss at 1. FC Nürnberg on Matchday 8 of the 2026/27 Google Pixel Women's Bundesliga.
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After nine points from their first three away matches of the 2026/27 season, the Bayer 04 Women suffered their first away defeat on Sunday afternoon. The 2-0 defeat away to FC Nürnberg, who were winless before today, represented a setback for coach Roberto Pätzold’s team in the race for the top spots in the Google Pixel Women’s Bundesliga. Fany Pronietz scored both goals (62’, 85’) for the home side.
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After six consecutive wins, the Werkself have hit a rough patch: Bayer 04 lost 3-0 away to TSG Hoffenheim. Andrej Kramaric put the hosts ahead from the penalty spot (79'), with Alexander Prass and Max Moerstedt adding to the tally shortly before full-time (89’/90+5’). After ten matches under Carles Martínez, with the Black and Reds always scoring at least twice, Leverkusen failed to find the net for the first time.
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The Werkself still have a score to settle with TSG Hoffenheim: Bayer 04 lost both matches against the Kraichgau side last term – after the Black and Reds had won all the previous five encounters. Leverkusen are currently on a roll and looking to kick off a new winning streak against TSG in Sinsheim on Sunday 25 October (kick-off: 15:30 CET), and Patrik Schick is keen to continue his current run of form. However, it will not be easy, as coach Christian Ilzer’s team have also gained confidence recently. Today’s matchday news.
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