
"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.

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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Goalkeeper Mark Flekken and goalscorer Miguel Gutiérrez spoke to Werkself-TV after the 2-0 win at home to RB Leipzig on Matchday 4 of the 2026/27 Bundesliga...
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Werkself-TV shows the highlights of Bayer 04 Women's 2-1 win at SC Freiburg on Matchday 5 of the 2026/27 Google Pixel Women's Bundesliga.
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Werkself TV shows the highlights of Bayer 04's 2-0 win against RB Leipzig on Matchday 4 of the 2026/27 Bundesliga season...
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Bayer 04 produced an impressive display from start to finish as they maintained their perfect home record this season with a 2-0 win over RB Leipzig on Bundesliga Matchday 4. Patrik Schick opened the scoring just before half-time, with Miguel Gutiérrez getting his first Werkself goal to wrap up the three points at the BayArena, where fans also got to enjoy the family matchday activities.
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