
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 German Football League (DFL) has announced the three candidates for Bundesliga ‘Rookie of the Month’ for February. Among the candidates is Werkself player Jarell Quansah. Fans of Bayer 04 can vote for their favourite on the Bundesliga app from now until Thursday, 5 March (23:59 CET).
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Bayer 04 will have to manage without Brazilian player Arthur for the next few weeks. The full-back tore a ligament in his left ankle in yesterday's Bundesliga match against Mainz 05 (1-1).
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On a day that celebrated 50 years of official Bayer 04 fan clubs with festivities on the pitch during the match against FSV Mainz 05 on Saturday, New York-based Werkself Warriors were proudly represented on the field by co-founder Alex Kramm.
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The Werkself conceded a goal at home for the first time since the beginning of January 67 minutes into the game against FSV Mainz 05 on Saturday. Jarell Quansah levelled late on for the final score of 1-1 to secure a point and avoid a first home defeat in six games. Bayer 04 were very critical of their performance after the game. The Werkself review.
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