
"Sandra has primarily impressed us with her attitude, discipline and mentality. She lives for football and has developed really well over the past few months. She is a very positive character and an absolute team player. We are all very happy that Sandra will continue to be part of our team," said head coach Achim Feifel on the decision of the 25 year-old to stay.
Jessen started playing for the Werkself Women in the second half of the 2015/16 season. The midfielder returned to Leverkusen during the winter break in 2018/19. Since returning she has played 29 games and scored two goals.

Four Bayer 04 players are in action at the 35th edition of the Africa Cup of Nations being played in Morocco from 21 December to 18 January 2026: Eliesse Ben Seghir for the hosts, Edmond Tapsoba with Burkina Faso, Ibrahim Maza for Algeria and Christian Kofane with Cameroon. Updates on the AFCON matches involving Werkself players...
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Werkself TV shows the highlights of Bayer 04's 1-4 loss against VfB Stuttgart on Matchday 16 of the 2025/26 Bundesliga season...
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The Werkself began 2026 with defeat, losing 4-1 at home to VfB Stuttgart on Matchday 16 of the 2025/26 Bundesliga. Jamie Leweling opened the scoring early, with Maximilian Mittelstädt making it 2-0 from a penalty before Leweling again and Deniz Undav increased the lead to 4-0 just before half-time. Alejandro Grimaldo's penalty reduced the deficit midway through the second period.
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Bayer 04 Leverkusen has gained a new partner in digital gaming platform Crown Coins, which joins the Bundesliga runners-up's Sponsors Club with immediate effect. The one-and-a-half-year contract runs until 30 June 2027.
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