
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 Leverkusen will to have manage without forward Eliesse Ben Seghir. The Morocco international suffered a ligament injury in his left ankle before the AFCON final defeat against Senegal (0-1 a.e.t.).
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The VBL Club Championship 2025/26 continues. Tonight, 27 January (live on Twitch and on the Bayer 04 app from 18:00 CET), the Leverkusen eSports team will play the remaining three matches in the online preliminary round of Showdown Four. They are up against FC Kaiserslautern, SC Freiburg and the current club champions and Showdown Three winners RB Leipzig, with whom Bayer 04, club runners-up and Showdown One winners, shared some memorable moments, especially last year. The lowdown on our next opponents.
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Welcome to Leverkusen, Jonas Omlin. Bayer 04 have signed the 32-year-old goalkeeper on loan from Bundesliga side Borussia Mönchengladbach until the end of the season. Managing director sport Simon Rolfes described the Swiss shot stopper, signed by the Werkself in reaction to the long-term absence of first choice keeper Mark Flekken, as an "internationally experienced keeper." Bayer04.de takes a closer look at the new signing, who will wear the number 18 jersey.
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Under the motto ‘Sound of Dreams - #aCROSS Europe 2025/26’, Bayer 04 are turning this season's UEFA Champions League season into a festival. In addition to a Spotify playlist that fans can use to get in the mood for the Champions League nights, there is also a tour pass with stickers for the respective UCL matches exclusively for Bayer 04 Club members. These could be picked up in the respective weeks of the matches. The sticker for the final clash in the league phase (Villarreal, 28 January, 21:00 CET) is now available at the Fanwelt. The competition for all diligent sticker collectors is also now open. Read on for further information.
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