
"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."

The Werkself training camp in the Weimarer Land all in one place: in our daily blog, you’ll find all the insights and updates from the day. The programme for day two (Monday, 3 August) centres on two training sessions – one in the morning (open to the public) and one in the early evening (behind closed doors) – at the nearby training grounds. In the afternoon, fans can look forward to a big fan meet-up with club legend Paulo Sergio at Schloss Blankenhain.
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Bayer 04 Leverkusen have extended Abdoulaye Faye’s contract by a further year to 30 June 2031. During the 2026/27 season, the talented defender will play for Celta Vigo on loan without an option to buy. The 21-year-old Senegalese is set to feature in La Liga and the UEFA Europa League with last season’s sixth-placed side in Spain.
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The Werkself's training camp in Weimarer Land all in one place: in our daily blog you'll find all the insights and updates from the day. The programme on day one (Sunday 2 August) includes a media round with managing director sport Simon Rolfes, free time for the team after the friendly against Rot-Weiss Essen and before an intensive week of training begins, as well as a coffee get-together where CEO Fernando Carro and Rolfes met around 100 fans in the afternoon.
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Bayer 04 Leverkusen have agreed Kerim Alajbegovic’s transfer to Italian record champions Juventus. The club brought the 18-year-old attacking player back to Leverkusen this summer via a buy-back option, following a season at Red Bull Salzburg. Until his move to Austria, the Bosnia international had been playing for Bayer 04’s Under-19s.
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A warm welcome to the Weimarer Land, Bayer 04! The Werkself moved into their accommodation for this year’s training camp on Saturday evening. In Blankenhain, Thuringia, head coach Carles Martínez’s team have a programme of gruelling training sessions – several of which will be open to fans – and team-building activities lined up for the next six days. We’ll be following the Werkself up close and providing you with exclusive insights, quotes, photos and videos from the training camp.
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