
“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 Leverkusen welcomes a new official member to the Sponsors’ Club at the start of the 2026/27 campaign. KKV Kabelverlegung GmbH & Co. KG is expanding its existing partnership and will, with immediate effect, act as a supporter of the Bundesliga club at the second-highest partner level, just below the premium tier. As an official partner in the Sponsors’ Club, KKV will now enjoy significantly enhanced visibility during Werkself matches at the BayArena. The new contract is initially valid until 30 June 2028.
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Bayer 04 Leverkusen has extended the existing partnership agreement with EDO Personalservice GmbH and, at the same time, expanded its collaboration with the Cologne-based company. The official partner in the Business Club has been upgraded within Bayer 04’s partner network. The revised and enhanced support for the club has initially been agreed for two years, running until 30 June 2028.
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Video games developer Electronic Arts (EA), in collaboration with the Bundesliga, has announced the six nominees for the Bundesliga ‘Player of the Month’ award for September – Bayer 04’s Miguel Gutiérrez has made it into this select group after just four Bundesliga matches. Fans of the Black and Reds can vote from now until Sunday 27 September (23:59 CEST).
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Calling all Werkself fans: Even during the three-week international break – a first for September and October – you have the chance to visit the BayArena – and for a very special occasion. Bayer 04 is hosting a Health Day on Saturday 3 October, from 10:00 to 14:00 CEST in the Premium Lounge. Together with Bayer Vital and main sponsor BarmeniaGothaer, the Bundesliga club invites you to an interactive, free event centred on the theme of health. Partners will be present on site with their own exciting activities. Here is an overview of the programme of events.
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