
"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.

Werkself-TV shows the highlights of the Bayer 04 women's 1-3 loss against Werder Bremen on the 26th matchday of the Google Pixel Frauen-Bundesliga 2025/26.
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Bayer 04 Leverkusen have agreed a conract extension with home-grown talent Sofie Zdebel by a further year ahead of schedule. The 21-year-old Germany U23 international will stay at the club until 30 June 2028.
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Bayer 04 could only manage a 1-1 draw at home to Hamburg in the final game of the 2025/26 Bundesliga season as they finish in sixth place and qualify for the UEFA Europa League. Patrik Schick missed a first-half penalty before Fabio Vieira put the visitors ahead on the hour. Jarell Quansah’s deflected header in the 79th minute earned a point to finish the campaign.
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Jonas Omlin was given an official send-off ahead of the final Bundesliga game of the season at home to Hamburg. The 32-year-old Swiss goalkeeper joined the Werkself on loan for the second half of the campaign from Borussia Mönchengladbach in the winter.
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