
The injury to the Dutchman, who joined the Werkself from Manchester United during the winter transfer window, requires an operation. Following that, Fosu-Mensah will complete his rehab at the Leverkusen 'Werkstatt'.
"It's a tough blow for Timothy," declared sporting director Simon Rolfes. "We will do all we can to support him and help him come back stronger from this difficult situation."

The Werkself will host VfB Stuttgart at the BayArena on matchday 16 of the 2025/26 Bundesliga season. The game is on Saturday, 10 January, at 18:30 CET. Information on ticket sales.
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The Werkself will host Werder Bremen at the BayArena on matchday 19 of the 2025/26 Bundesliga season. The game is on Saturday, 24 January, at 15:30 CET. Information on ticket sales.
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After falling behind early on, Bayer 04 took control of the game against a combative and disciplined FC Augsburg on Saturday afternoon. However, they lacked the necessary precision in finishing and hit the post and crossbar three times. After the game, coach Kasper Hjulmand said he wanted to get back to the "right philosophy" of previous matches with three games left in 2025. The Werkself review.
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Bayer 04 were beaten 2-0 away at Augsburg on Matchday 13 in the Bundesliga. The Werkself had the majority of the ball but fell behind early to Dimitrios Giannoulis and then Anton Kade inside the first half an hour. Despite an attempted fightback in the second half and striking the frame of the goal three times, Leverkusen were left empty handed.
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Werkself-TV shows the highlights of the Bayer 04 women's 3-2 win against RB Leipzig on the 12th matchday of the Google Pixel Frauen-Bundesliga 2025/26.
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