
The 23-year-old joined the Werkself in 2014 and he made 215 appearances for Bayer 04. "Julian joined us as a 17-year-old at a time when he was sought after by a lot of clubs but he opted to play for us and he has developed wonderfully since then making his international debut during his time in Leverkusen," said sporting managing director Rudi Völler. "With him, our approach of bringing through young, highly talented players early at a top level, achieving a lot with them and thereby significantly increasing their transfer value worked out too. We would have liked to have held onto him a bit longer," declared Völler, "but with the signing of Kerem Demirbay from Hoffenheim we have already found a suitable replacement."
Bayer 04 sporting director Simon Rolfes said, "Over the past few months, Julian has matured into a top player in a different position under coach Peter Bosz. Now he has decided to play somewhere else after five and a half years. We have already reacted to that in terms of personnel," said Rolfes. "And we will continue to strengthen our squad to maintain our competitiveness next season."

A special visit to the BayArena: 222 members from volunteer fire brigades in Leverkusen, the Rheinisch-Bergisch district and the Oberbergisch district watched the Werkself’s 2–0 home win over Slovenian champions NK Celje live in the stadium. Bayer 04 had invited them to the 2026/27 Europa League opener as a thank-you for their tremendous dedication. They watched the match together in Block F4.
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The Bayer 04 U19s have extended their winning run with a fifth consecutive victory on Matchday 5 of the DFB Youth League’s preliminary round. Coach Patrick Greveraars’ side secured a 3–2 (2–1) win in their match against second-placed FC Viktoria Köln, with Burak Kir and Nebe Domnic scoring for the hosts in the first half before captain Ben Hawighorst found the net after the break.
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Bayer 04 will have to manage without defender Guéla Doué for the time being. The Ivory Coast international sustained a muscle injury to his right calf during the final Werkself training session yesterday ahead of the Europa League clash with Slovenian champions NK Celje.
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For the first time since reaching the final against AS Roma (2–2, first leg 2–0) in May 2024, Bayer 04 are playing another home match in the UEFA Europa League – and they will be wearing their new European kit. On Wednesday 16 September (kick-off: 21:00 CEST), the BayArena will welcome Slovenian champions NK Celje, who appointed a new coach this week following a mixed start to the season. Under the slogan “40 Years Across Europe. Still Creating History.”, the Black and Reds now aim to add the next chapter to their European history, which has seen so much success in recent years. Bayer 04 fans can follow the match on free-to-air TV on RTL, as well as on Sky and Werkself Radio. The matchday news.
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European football returns to the BayArena: Bayer 04 host Slovenian champions NK Celje on matchday 1 in the group stage of the 2026/27 UEFA Europa League. Ahead of the match on Wednesday 16 September (kick-off: 21:00 CEST), head coach Carles Martínez and midfielder Aleix Garcia spoke at the pre-match press conference. The focus was primarily on the great anticipation surrounding the competition and the clear objectives for it – and, given the circumstances, on a last-minute change to the opposition line-up.
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