The wins in the big matches against Bayern Munich and Schalke 04 were followed by a 2-0 defeat against Juventus in the Champions League on Wednesday 11 December. The Bayer 04 head coach Peter Bosz does not see that match as a setback. "We played very well and were compact. That must give us confidence for the rest of the games before the winter break – including against FC Köln," said the Dutchman at the pre-match press conference ahead of the derby.
The 56-year-old is well aware this clash is very special for the Werkself fans. Bosz continued ahead of his first Rhine derby against FC Köln: "Of course, I get it that this match is about much more than just three points – you can feel it. Everybody will be talking about it at work in the next few days."
Against Köln, currently bottom the table on eight points, it will be necessary to show a certain aggression on and off the ball. "And we have a team that can play very good football. That's the way we want to achieve victory," said Bosz who said he is able to call on a fit squad immediately before the winter break: "The players remain very focused. We have an experienced group used to playing twice or three times a week."
In the game on the other side of the Rhine, with over 4,000 fans travelling to support the Werkself, the head coach of the sixth-placed team has all players available with the exception of the suspended Jonathan Tah and injured players Mitchell Weiser and Joel Pohjanpalo. Bosz added: "We know we still have three very important games and I feel that we're ready!"


Midfielder Ruby Grant is leaving Bayer 04 Leverkusen and joining Portuguese runners-up Sporting CP a year before her contract expires. The 24-year-old has been at the Werkself since January 2025.
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Bayer 04 have loaned Brazilian full-back Arthur to Bundesliga side Werder Bremen for one year. Arthur Augusto de Matos Soares – the full name of the right-back – has a contract with Leverkusen until 30 June 2031. At Werder, the 23-year-old is expected to make an impact and help the long-established club further consolidate their position in the Bundesliga.
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Bayer 04 have loaned defender Jeanuel Belocian to Spanish top-flight side Racing Santander. The 21-year-old defender joins the team currently ninth in La Liga until the end of the current 2026/27 season. Belocian’s contract remains valid until 30 June 2029. Last season, the 1.86-metre-tall U21 international was loaned to VfL Wolfsburg for six months.
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He knows the dressing room, the pitch and the club. But, above all, he knows the feeling of playing for the Werkself at the BayArena: Moussa Diaby is back in Leverkusen after three years. The lightning-fast winger has signed a contract with Bayer 04 until 2031 and he will once again wear the number 19 jersey. The left-footed player previously played for the club from 2019 to 2023, having arrived in the Rhineland from his native France as a promising young talent and eventually leaving the club – having established himself as one of the Bundesliga’s best attackers – to join Aston Villa in the Premier League. Now he has returned to Bayer 04 from Al-Ittihad FC in Saudi Arabia.
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