
"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."

It was a perfect start for Bayer 04: in Carles Martínez's first competitive match as Leverkusen head coach, Patrik Schick broke SV Wehen Wiesbaden's resistance shortly before half-time. The Black-and-Reds pulled clear in the second half, winning by a final score of 4-0. There was also good news on the personnel front. The Werkself Review of the 2026/27 DFB Pokal first-round clash.
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After the 4-0 win at SV Wehen Wiesbaden in the first round of the DFB Pokal, goalscorers Lucas Vázquez and Nathan Tella spoke to Werkself-TV...
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Werkself-TV shows the highlights of Bayer 04's 4-0 win at Wehen Wiesbaden in the first round of the DFB-Pokal 2026/27...
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Bayer 04 have comfortably reached the DFB Pokal second round thanks to a 4–0 victory away to Liga 3 side SV Wehen Wiesbaden. Patrik Schick put the Werkself ahead in the first 45 in the first competitive match under head coach Carles Martínez with debuts for new signings Miguel Gutiérrez, Afonso Moreira and Facundo Medina. After the break, Lucas Vázquez (47'), Nathan Tella (69') and Christian Kofane (79') also found the back of the net.
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