
“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.

Werkself-TV shows the highlights of Bayer 04's 4-0 win at Wehen Wiesbaden in the first round of the DFB-Pokal 2026/27...
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Bayer 04 have comfortably reached the DFB Pokal second round thanks to a 4–0 victory away to Liga 3 side SV Wehen Wiesbaden. Patrik Schick put the Werkself ahead in the first 45 in the first competitive match under head coach Carles Martínez with debuts for new signings Miguel Gutiérrez, Afonso Moreira and Facundo Medina. After the break, Lucas Vázquez (47'), Nathan Tella (69') and Christian Kofane (79') also found the back of the net.
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Today brings the first match of the season for the Werkself. Bayer 04 kick off the 2026/27 campaign today, Saturday 22 August, at 13:00 CEST with a first-round DFB Pokal tie away to third-tier side SV Wehen Wiesbaden. The 3,700 travelling fans can not only look forward to what will hopefully be a successful start to the season, but also now organise their journeys to Black and Reds games even more easily via the WERKSELFgo car-share platform. Meanwhile, following two defeats at the start of the league season, SV Wehen are hoping to spring a surprise in the DFB Pokal tie. Today’s matchday news.
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Carolin Simon is the new captain of the Bayer 04 women’s team. The full-back, who joined from Bayern Munich in the summer, will take over the captain’s armband for the 2026/27 season. Simon returned to Leverkusen in the summer after ten years away. The 33-year-old succeeds goalkeeper Friederike Repohl, who retired at the end of last season.
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