
"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 player Montrell Culbreath and Bayer 04 loanee Francis Onyeka are part of Germany's final squad for the U19 European Championships this summer. The tournament is in Wales from 24 June to 12 July.
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Bayer 04 are away to third-division club SV Wehen Wiesbaden in the first round of the 2026/27 DFB Pokal. That was the outcome of the draw on Saturday night, 6 June, at the German Football Museum in Dortmund. The Werkself first round tie will be played between 21 and 24 August. The exact date has yet to be finalised.
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Carles Martìnez is raring to go. The 42-year-old speaks in his first interview in Leverkusen about the club's development to date and how he wants to build on it. He describes his previous work in France, Kuwait, Qatar and his native Barcelona, his experience in developing young players, and the key steps between now and the start of pre-season training.
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New Bayer 04 head coach Carles Martínez has arrived in Leverkusen! At midday on Friday, the 42-year-old spoke in a press conference at the BayArena about his philosophy and his aims. Managing director sport Simon Rolfes also discussed the reasons for appointing the former Toulouse boss.
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