
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."

Bayer 04 Leverkusen will have to manage without centre-back Edmond Tapsoba in the coming weeks. The Burkina Faso international returned to the Werkself from the Africa Cup of Nations in Morocco with a muscle injury.
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Bayer 04 face Hamburger SV for the first time in almost eight years. Although the Hanseatic city team are often below par on the road, they are regularly in top form in front of their own fans. In particular, 18-year-old shooting star Luka Vuskovic is proving to be a real bonus for Merlin Polzin's team, both in attack and defence. However, that should not scare the Werkself: Not only was the last defeat against the newly promoted team 17 games ago, but Kasper Hjulmand's players are in with a chance of securing their fifth win in six games against HSV. Today’s matchday news.
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Hamburger SV and Bayer 04 meet again in the Bundesliga for the first time in almost eight years. This Tuesday evening, 13 January (kick-off: 20:30 CET), the promoted team with impressive home form welcome the Werkself to the Volksparkstadion to round off the Hinrunde. The lowdown on our next opponents.
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The Werkself are away to Hamburg SV at the end of the Hinrunde in the 2025/26 Bundesliga campaign. The match at the newly promoted club is on Tuesday night, 13 January (kick-off: 20:30 CET). Ahead of the first encounter with HSV since 2018, Kasper Hjulmand spoke about the strengths of the opponents, lessons learnt from the home defeat against VfB Stuttgart and provided a squad update.
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