
The U21 European Champion, under contract at Bayer 04 to 30 June 2024, will strengthen the 2007 champions to the end of the current season, which in Norway runs to the middle of December.
"It's important for Lennart to gain match practice as a first choice keeper," said Bayer 04 sporting director Simon Rolfes. "He can develop his game in Bergen and the experience abroad will also give him an additional stimulus."

Werkself TV shows highlights of the 2-0 win for Bayer 04 at Manchester City on matchday 5 in the UEFA Champions League 2025/26 league phase...
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The annual Black and Red Week is up and running. And day two, Wednesday 26 November, includes a coupon flyer with big discounts...
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Bayer 04 won 2-0 at Manchester City on Matchday 5 of the league phase in the 2025/26 UEFA Champions League! Alejandro Grimaldo scored before half-time and Patrik Schick added another after the break for a Werkself side that had been hit by numerous personnel losses before their trip to England.
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After a goalless and at times evenly-matched first half, Bayer 04's U19s ultimately suffered a heavy defeat at Manchester City. Coach Kevin Brok's depleted side - including five players who were part of the senior squad for the Champions League game in the evening - lost 6-0 on Matchday 5 of the UEFA Youth League.
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