
"Together with Xabi Alonso we have written a success story just through winning the league title without defeat in a way not seen in German football," said Werner Wenning, chair of the shareholders committee at Bayer 04. "He was an outstanding ambassador at all times as coach both for our club as well as for the whole Bundesliga. Therefore, we are very grateful to Xabi Alonso."
Fernando Carro, as CEO, highlighted the sporting reputation that Bayer 04 has gained over the past two and a half seasons both at home and abroad: "Bayer 04 have achieved lasting recognition in the football world through the targeted success under Xabi Alonso. Bringing the Meisterschale to Leverkusen unbeaten plus winning the DFB Pokal, reaching the Europa League final and winning the Supercup makes us very proud," declared Carro.

Sporting managing director Simon Rolfes assesses the Alonso era as a "milestone in the development of Bayer 04 Leverkusen. Together with Xabi, we have put together a team that has impressed the whole football world through quality on the pitch and mentality," said Rolfes. "We are proud of the big steps forward and the standing of the club today and wish Xabi all the best in his future roles. I'm sure our paths will often cross again."
For Alonso, the brilliant first chapter in his career as a professional coach ends with this departure from Leverkusen. "I owe great thanks to Bayer 04 Leverkusen, my players and staff, all the employees of the club and last but not least the fantastic fans. Our success was the result of an outstanding team performance," said Alonso. "This club, who showed exceptional trust in me, very much deserved to win the German league title for the first time. My thanks and admiration go to everybody who helped to make this triumph happen including the DFB Pokal win in Berlin," said Alonso. "Bayer 04 are ready for the future. The positive path will continue and I will be excited to follow it."

Bayer 04 Leverkusen have appointed Carles Martínez Novell as the new head coach. The 42-year-old Spaniard worked for FC Toulouse in the French Ligue 1 until the end of the season. Martínez finished last term in ninth place with the club from the south of France. He will take over the Werkself on 1 July 2026 and has signed a contract to 30 June 2028. Martínez, whose contract with Toulouse expires at the end of the month, succeeds Kasper Hjulmand at Leverkusen, who is leaving the club after one season.
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Welcome to Leverkusen, Carles Martínez Novell. Bayer 04 have appointed the 42-year-old Spaniard as the new head coach on a contract to 2028. Martínez most recently worked for FC Toulouse in the French Ligue 1 until the end of the season. He previously spent four years at Barcelona's legendary academy La Masia in his home city. Bayer04.de introduces Martínez in more detail.
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Bayer 04 plans for the 2026/27 pre-season continue to take shape. The Werkself will kick off the new season in mid-July with the return to the training ground. The highlight will be the official season opener on 8 August at the BayArena, including a friendly against La Liga club Sevilla. Friendlies in Germany will take the team to neighbouring Monheim, Offenbach and Jena.
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Strengthening the Bayer 04 Leverkusen youth teams: Konstantinos Kotsifakis will join the Werkself from Bundesliga 2 club Hertha Berlin for the 2026/27 season, where he will be a permanent member of the Leverkusen U19 coaching set-up. The German-Greek will also take on an operational role in coaching the Bayer 04 Future Team. The 29-year-old was most recently head coach of the U17s at Hertha Berlin.
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Another award for the Bayer 04 head groundsman and staff: After coming top in the 2021/22, 2022/23 and 2024/25 seasons, the BayArena pitch came second in the Bundesliga Pitch of the Year ranking for the 2025/26 season. VfL Wolfsburg secured the top spot this year, with TSG Hoffenheim in third place.
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