
"Odilon was an important factor in our team in the most successful year in the club's history. We are happy he has settled in so well at Atalanta and we wish him all the best for the future," said Bayer 04 managing director sport Simon Rolfes.
Kossounou's contract at Leverkusen was set to run to 30 June 2026. He won the Africa Cup of Nations with Ivory Coast at the start of 2024. Kossounou then went on to win the Bundesliga, the DFB Pokal and the Supercup.

From his arrival at the airport, the medical and contract signing, right through to photo shoots, his very own trading card and his first interview at the BayArena: Werkself TV followed new signing Afonso Moreira up close on his first day in Leverkusen. In the interview, the 21-year-old Portuguese left-winger, who has joined the Werkself from Lyon, talks about his excitement ahead of joining Bayer 04 and the Bundesliga, as well as his conversation with head coach Carles Martínez. Moreira also reveals the secret behind his iconic goal celebration – which he intends to perform “as often as possible” at the BayArena next season...
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A new signing for the U19s: Bayer 04 have signed winger Clinton Wilson from Schalke 04. The 18-year-old previously played for Leverkusen youth teams from January to June 2024.
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After eight years, Ida Daedelow is set to leave Bayer 04 Leverkusen. The 18-year-old, whose original contract was due to run to 2027, is joining second-division side VfL Bochum.
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As with the other youth teams (U16 to U19), Bayer 04 are also relying on familiar faces—some in new roles—and fresh impetus from the coaching staff for the 2026/27 season in the younger age groups. An overview of the U11 to U15 teams.
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