Referee Tobias Stieler is in charge of the Rhine derby between FC Köln and the Werkself on Wednesday 16 December (kick-off: 20.30 CET/live on Sky and on Werks11 Radio). The lawyer from Hamburg has refereed 20 games involving the Black and Reds to date with Bayer 04 winning 16 of them (two draws). Stieler showed 20 yellow cards in those games and sent one Werkself player off for two yellow card offences.
A successful start for the 'Bayer 04 surgery': Virtual meetings have become commonplace since the start of the coronavirus pandemic. In these times where face-to-face meetings with more than one person in a room are to be avoided, this is a helpful alternative – which the Bayer 04 fan liaison section also sees as important. Fernando Carro, Bayer 04 CEO, and Meinolf Sprink (director of fans/community) recently held a remote discussion with Werkself fans on current issues relating to Bayer 04. In the coming months there will be other surgeries with Werkself supporters, different hosts and different subjects.
For the thirteenth time, the Leverkusen community foundation have carried out their 'Sterntaler' event. The aim is to provide joy to children and aged persons in the city. Staff and players from Bayer 04 have again taken part in the project this year and fulfilled the wishes of 134 Sterntaler. "It's a matter close to our hearts every year and it goes without saying that we are happy to participate in the 'Sterntaler' event to show our commitment to the local community," said Meinolf Sprink, director of fans/community at Bayer 04.
As announced by the German Football League (DFL) on Wednesday, the transfer window in Germany will be open from 2 January to 1 February. Winter signings can only be played from matchday 15 (8 to 11 January). The DFL will only issue a players permit if the relevant player can demonstrate they have the required number of negative coronavirus tests according to the pandemic level.
The Werkself return in the New Year on Saturday 2 January (kick-off: 15.30 CET) with a Bundesliga away fixture at Eintracht Frankfurt on matchday 14.
Bayer 04 Leverkusen have appointed Carles Martínez Novell as the new head coach. The 42-year-old Spaniard worked for FC Toulouse in the French Ligue 1 until the end of the season. Martínez finished last term in ninth place with the club from the south of France. He will take over the Werkself on 1 July 2026 and has signed a contract to 30 June 2028. Martínez, whose contract with Toulouse expires at the end of the month, succeeds Kasper Hjulmand at Leverkusen, who is leaving the club after one season.
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Welcome to Leverkusen, Carles Martínez Novell. Bayer 04 have appointed the 42-year-old Spaniard as the new head coach on a contract to 2028. Martínez most recently worked for FC Toulouse in the French Ligue 1 until the end of the season. He previously spent four years at Barcelona's legendary academy La Masia in his home city. Bayer04.de introduces Martínez in more detail.
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Bayer 04 plans for the 2026/27 pre-season continue to take shape. The Werkself will kick off the new season in mid-July with the return to the training ground. The highlight will be the official season opener on 8 August at the BayArena, including a friendly against La Liga club Sevilla. Friendlies in Germany will take the team to neighbouring Monheim, Offenbach and Jena.
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Strengthening the Bayer 04 Leverkusen youth teams: Konstantinos Kotsifakis will join the Werkself from Bundesliga 2 club Hertha Berlin for the 2026/27 season, where he will be a permanent member of the Leverkusen U19 coaching set-up. The German-Greek will also take on an operational role in coaching the Bayer 04 Future Team. The 29-year-old was most recently head coach of the U17s at Hertha Berlin.
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Another award for the Bayer 04 head groundsman and staff: After coming top in the 2021/22, 2022/23 and 2024/25 seasons, the BayArena pitch came second in the Bundesliga Pitch of the Year ranking for the 2025/26 season. VfL Wolfsburg secured the top spot this year, with TSG Hoffenheim in third place.
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