
The central midfielder will play for the Bayer 04 U19 team. 16-year-old Sertdemir, who is of Turkish descent, is set to start with the first team squad in the pre-season under the new Leverkusen head coach Gerardo Seoane. The Swiss coach will meet up with his players for the first time on 5 July in Leverkusen.
“Zidan Sertdemir has a special talent. His signing is a great success for our scouting department after having had him on their radar for three years,” reported Bayer 04 sporting director Simon Rolfes. “We see great potential in Zidan and believe he will make the grade in professional football. That’s why we are including him in training with the first team straight away. Zidan should get experience with the senior squad early on and then take his time in moving up to the next level.”

Bayer 04 are away at RB Leipzig for their final fixture of 2025 in the Bundesliga on Saturday (kick-off: 18:30 CET). Here’s all you need to know ahead of the Matchday 15 encounter at the Red Bull Arena.
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Despite a major personnel shake-up in the summer, RB Leipzig have performed impressively this term. Ahead of matchday 15, coach Ole Werner's team are second in the Bundesliga with a three-point lead over their upcoming opponents Bayer 04. This Saturday, 20 December (kick-off: 18:30 CET), the Werkself are away to RBL who are strong at home. The lowdown on our next opponents.
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Bayer 04's final game of the year at RB Leipzig on Saturday night, 20 December (kick-off: 18:30 CET), will also see Robert Andrich and David Raum go head-to-head. In an interview with bayer04.de and rbleipzig.com, the two team captains spoke about the importance of this match, their friendship and a WhatsApp group with Joshua Kimmich.
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Bayer 04, currently fourth in the table, end the year with a top match away to second-placed RB Leipzig on Saturday, 20 December (kick-off: 18:30 CET). Head coach Kasper Hjulmand spoke ahead of the game about the importance of this fixture and an unusual but welcome week of training. The Dane also provided a squad update.
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