The five returned to the BayArena on Sunday morning to complete the performance tests in the Werkstatt that the rest of the squad put behind them on Thursday. "It was good! Everything went perfectly for me," said Kai Havertz. "You keep fit on holiday to make sure you pass the tests." But in the first two weeks after the international fixtures it was a question of putting his feet up – "switching off and doing nothing is also important. But then I started my individual training programme that they gave us to use at home," explained the 20-year-old.
The returnees first completed an individual warm-up routine in the training session before moving on to passing and shooting drills and finally joining the rest of the squad for a practice match. Havertz had a positive impression of the three new signings Kerem Demirbay, Moussa Diaby and Daley Sinkgraven: "We've done very well strengthening the squad and we'll definitely have fun with these players."
At the start of the week, Peter Bosz had 20 pros plus the two U19 players Adrian Stanilewicz and Marcel Lotka at his disposal. Jonathan Tah, Charles Aránguiz and Leon Bailey will join the rest of the squad at the training camp in Zell am See-Kaprun (15 to 21 July). Julian Baumgartlinger is still sidelined. The Austrian injured an ankle in the international break and is currently working on a one-to-one basis in rehab with a physiotherapist in Munich. Baumgartlinger is expected to return to Leverkusen on Wednesday.
The German Football Association (DFB) has officially recognised Bayer 04 as a centre for the development of female talent for the 2026/27 season. The club was awarded that role on 1 January 2026, and this status has now been renewed.
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Bayer 04 Leverkusen have sold young defender Andrea Natali to AZ Alkmaar on permanent terms. The 18-year-old Italian was on loan at the Dutch club last season, where he mainly played for the reserve team in the second division.
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Bayer 04 Leverkusen have loaned new signing Luca Erlein to newly promoted FC Energie Cottbus for the 2026/27 season. This will give him the opportunity to play in Bundesliga 2. The club signed the 19-year-old right-back on a permanent basis last week, on a contract to 30 June 2030.
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Trophies as a youth, appearances in the pro game and his first taste of international competition: new arrival Luca Erlein, who has been signed from TSG Hoffenheim, can already look back on some remarkable achievements and moments in his fledgling career. We take a closer look at the 19-year-old right-back, who can also fill other roles across the defensive line.
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