
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.

The German Football League (DFL) has announced the three candidates for the title of Bundesliga Rookie of the Month for January. That includes Werkself player Jarell Quansah. Fans of Bayer 04 can vote for their favourite on the Bundesliga app from now until Thursday, 5 January (23:59 CET).
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The Leverkusen eSports team picked up valuable points and made up ground in the overall table with a top four finish in the offline round in Showdown 4 in the VBL Club Championship 2025/26. In the round of 16, Showdown 1 winners Bayer 04 defeated the unbeaten runners-up in the previous round, VfL Bochum, in a thrilling penalty shoot-out. The Landwehr cousins, themselves the current club runners-up, then beat the current club champions and Showdown 3 winners RB Leipzig. It was not until the semi-finals that they lost out to the eventual showdown winners Borussia Mönchengladbach.
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Bayer 04 have agreed a loan move for U19s striker Ken Izekor to join Bundesliga 2 club Eintracht Braunschweig on loan for the rest of the 2025/26 season.
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Bayer 04 have agreed a loan deal for Jeanuel Belocian to join fellow Bundesliga club Wolfsburg on loan until the end of the season. The 20-year-old defender’s contract in Leverkusen runs until 30 June 2029.
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Bayer 04 have recalled Tim Oermann from his loan at Sturm Graz and will now include the centre-back in the team’s plans for the rest of the 2025/26 season. The Germany U21 international signed for the Werkself from Bochum in summer 2025 on a contract until 30 June 2029.
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