
"Mario Hermoso is an experienced player on the international stage and, in addition to playing as a central defender, he is a very capable and organised left back," said Bayer 04 sporting managing director Simon Rolfes in describing the 1.84 metre tall defender. "Mario will also bring additional versatility to our defence and will compensate very well for the absence of Jeanuel Belocian."
Hermoso knows Bayer 04 well having played the Werkself twice in Champions League games in 2022/23. "They were two highly emotional games with neither side giving anything away exactly like it was in Madrid a week or so ago," said Hermoso, who has made five international appearances for Spain. "I'm very much looking forward to aiming to achieve big targets with the Werkself. Everything is set up here for a successful season on the pitch."

Special events for a special match: Bayer 04 are offering fans a varied programme of events at tonight’s home game in the Google Pixel Women’s Bundesliga against German champions Bayern Munich (kick-off: 18:00 CEST). Alongside a number of interactive activities, events to mark the DFB Sustainability matchday are also planned around the Ulrich Haberland Stadium. Read on in the matchday news ahead of the clash with FC Bayern.
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Following two close encounters against VfL Wolfsburg and away to TSG Hoffenheim, the Bayer 04 Women face another top side on Monday night. The Werkself host German double winners Bayern Munich at the Ulrich Haberland Stadium at 18:00 CEST to round off matchday 4 in the Google Pixel Women’s Bundesliga. Head coach Roberto Pätzold is counting on another spirited performance from his team.
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After the 2-2 draw at FC Augsburg on Matchday 3 of the 2026/27 Bundesliga season, Edmond Tapsoba and Christian Kofane spoke to Werkself-TV...
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Werkself TV shows the highlights of Bayer 04's 2-2 draw at FC Augsburg on Matchday 3 of the 2026/27 Bundesliga season...
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