
“After playing for Turbine Potsdam and most recently in England, Caroline Siems joins our team as a young but very experienced full-back,” said Bayer 04 head coach Achim Feifel. “She has enormous potential. And we hope she can provide lots of positive input with her dynamic and attacking style of play.”
Siems, who has played for all Germany junior teams up to the U19s, is looking forward, “to returning to the Bundesliga. Discussions with the Bayer 04 management and the conditions here have convinced me that I can best develop at Leverkusen both on and off the pitch. I’m very excited about the years ahead.”
The defender played for Turbine Potsdam from 2015 to 2020 before moving abroad to Aston Villa last year. Siems made 14 appearances for the Villa Women last term.

Bayer 04 lost 3-0 away at Bayern Munich on Matchday 9 in the Bundesliga on Saturday. Serge Gnabry and Nicolas Jackson netted for the unbeaten league leaders in the first half, with Loïc Badé’s own goal before the break rounding out the scoring.
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The Werkself are away at Bayern Munich, who have won all 14 of their competitive fixtures in 2025/26, for Saturday evening’s Bundesliga match (kick-off: 18:30 CET). However, Bayer 04 are also in good form themselves, earning 16 of a possible 18 points in their six league games under Kasper Hjulmand. The 2023/24 double winners are also unbeaten in their last five Bundesliga meetings with the reigning champions. Here’s all you need to know ahead of the game at the Allianz Arena.
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Rüdiger Vollborn has been at the club for 40 years, he holds the record number of Bundesliga appearances for the club (401) and is the only Bayer 04 player to have won both the UEFA Cup (1988) and the DFB Pokal (1993). And the Berliner stayed with the Werkself after ending his impressive playing career as he worked as a goalkeeping coach for the following nine years. Vollborn now works under the Bayer Cross as a fan liaison officer and club archivist. Since February 2021, the personalised Black and Red lexicon takes Werkself fans under the heading of 'Rudi recounts...' on a brief trip through the history of Bayer 04 every month…
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After the disappointing 5-1 defeat against VfL Wolfsburg, the Bayer 04 Women had two weeks to regroup. On Sunday, 2 November (13:00 CET, ad-hoc arena at Erst-Abbe-Sportfeld), coach Roberto Pätzold's team will be aiming for their fifth win of the season on matchday 8 in the Google Pixel Women's Bundesliga.
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