
At the same time, the Werkself have loaned out Panagiotis Retsos to the Premier League club Sheffield United to the end of the season. The versatile defender Retsos has a contract at Bayer 04 to 30 June 2022.
"Edmond Tapsoba was a regular first choice at Guimaraes at the age of 20 and in addition to his defensive ability, he’s also dangerous in front of goal," said Bayer 04 sporting director Simon Rolfes in commenting on the signing of the 1.92 metre tall defender. Tapsoba has made 32 appearances for the Portuguese side this season, scoring eight goals including three in the Europa League. And sporting managing director Rudi Völler added: "His really big potential makes Edmond Tapsoba a very interesting proposition as a player. We are happy we've been able to complete this transfer."
The signing of Tapsoba enabled Retsos to go out on loan: "Panos has lost a whole year through injuries and it's important for him to play now. The Premier League club Sheffield United offer the highest level for him to get back to top form," said Völler.

Bayer 04 are riding a wave of success on the European stage: After three wins from their first three games and as the only team yet to concede a goal, the Werkself sit second in the table in the group stage of the UEFA Europa League. With another three points in their first-ever competitive match against Olympique Marseille on Thursday night, 5 November (kick-off: 21:00 CET), Bayer 04 could leap to the top of the table. Meanwhile, the French side are riding the wave of a winning streak in Ligue 1, but are yet to pick up any points in the Europa League. For one Werkself player, Thursday night will mark a reunion with his former team-mates. Today’s matchday news.
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The Europa League campaign continues: Bayer 04 host Olympique Marseille at the BayArena on matchday four of the group stage on Thursday 5 November (kick-off: 21:00 CET). Ahead of the clash against the club from the French Mediterranean coast, head coach Carles Martínez spoke about the visitors’ form and had some good news regarding the squad. Former OM player Facundo Medina spoke, amongst other things, about the factors that will be crucial against his old club.
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The Bayer 04 Round of 16 tie in the 2026/27 DFB Pokal has been scheduled. The Werkself will host Bundesliga rivals RB Leipzig on Wednesday, 2 December, at 18:00 CET. That was announced by the German Football Association (DFB).
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Video game developer Electronic Arts (EA), in collaboration with the Bundesliga, has announced the six nominees for the Bundesliga Player of the Month award for October 2026 – and Bayer 04’s Ibrahim Maza is among them. Fans of the Black and Reds can vote from now until Sunday 8 November (23:59 CET).
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