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 preparations for the 2026/27 season are in full swing, with the first friendly now under their belts. Although there are still around seven weeks to go until the first Bundesliga home game in early September, there is already huge anticipation for the start of competitive action for head coach Carles Martínez’s team at the BayArena. For the Bundesliga home matches of the new season, here is the latest information regarding the first phase of single-match ticket sales. The tried-and-tested early-bird phase remains in place. From 23 to 31 July, tickets for matches will go on sale on weekdays; the early-bird phase ends on 5 August at the latest – provided tickets are still available by then.
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Like last year, Bayer 04 Women held their summer training camp in Rieden. Coach Roberto Pätzold gives his assessment of the time in the Upper Palatinate, discusses the integration of the 11 new players and the unusual team building measures, gives his thoughts on the friendly and looks ahead to the start of the Google Pixel Women's Bundesliga season in August.
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Just in time for the start of the summer holidays in North Rhine-Westphalia, the Werkself will hold another open training session on Tuesday 21 July. The session at the BayArena is scheduled to start at 11:00 CEST and will again be available to watch in a live stream. The fans who are there can look forward to a very special surprise.
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Bayer 04 turned in a dominant performance in a 7-0 win against fifth-tier side Sportfreunde Baumberg in their first friendly ahead of the 2026/27 season. A brace from debutant Afonso Moreira (19', 27') either side of a Christian Kofane strike (23') put the Werkself 3-0 up in the first of the two 35-minute halves in Monheim am Rhein. After the break, Victor Boniface (49', 53'), Robert Andrich (56') and Nathan Tella (67') scored for the completely changed Leverkusen team. It was therefore a successful friendly debut for new head coach Carles Martínez and his team, although the hosts also had something to celebrate despite the defeat: the match marked the inauguration of Baumberg's new ground, the MEGA Stadion.
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