
"Jonas Omlin is an internationally experienced keeper who has shown his quality many times at clubs in Switzerland, France and the Bundesliga," said Bayer 04 managing director sport Simon Rolfes. "Jonas completes our goalkeeping trio following Mark's absence. With him, Janis Blaswich and Niklas Lomb, we are now ready for the challenges of the coming weeks and months."
Omlin joined Borussia Mönchengladbach in 2023 from Montpellier HSC, who were in Ligue 1 at the time. The four-time Switzerland international has played 36 games for the Foals to date. "I'm delighted a club like Bayer 04 Leverkusen have placed their trust in me. A Champions League club with big ambitions - it's a great challenge to support my new team and play my part in helping to achieve he goals they’ve set themselves," said Omlin, who will wear the number 18 jersey at Bayer 04.

Werkself-TV shows the highlights of Bayer 04 Women's 3-2 win against Werder Bremen on Matchday 6 of the 2026/27 Google Pixel Women's Bundesliga.
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Thanks to a thrilling second-half comeback, the Bayer 04 women’s team secured their first home win this term. Against Werder Bremen, the Werkself stepped up their game significantly after the break and turned a two-goal deficit into a 3–2 win. Cornelia Kramer (54’, 56’) and Lobke Loonen (81’) scored the goals that earned coach Roberto Pätzold’s team their first points at the Ulrich Haberland Stadium in the current Bundesliga season.
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A commanding performance: In a friendly during the international break, Bayer 04 defeated third-division newcomers SC Fortuna Köln 6–0. Martin Terrier and Patrik Schick scored twice each with Nathan Tella and Miguel Gutiérrez netting the other goals for Leverkusen. Due to preparations at the Ulrich Haberland Stadium for tonight’s Bayer 04 women’s Bundesliga home game against Werder Bremen (kick-off: 18:30 CEST), the fixture against the Cologne side was played at the Werkself training ground.
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Whenever the leading figures in European club football come together, Bayer 04 are right in the thick of it: At the 33rd General Assembly of the European Football Clubs (EFC) in Copenhagen, Fernando Carro, CEO, and Simon Rolfes, Managing Director Sport, discussed key sporting and economic issues for the future.
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