
It does help that Bosz had all his players available again with the exception of long-term injuries Joel Pohjanpalo (rehab training after ankle injury) and Panos Retsos (rehab after muscle tendon injury to thigh) after Charles Aránguiz and Leon Bailey missed the first training session on Friday. The duo rejoined their team-mates on the training ground for the Sunday morning session.
While the 28-year-old Chilean only had his first session under the new head coach on Sunday due to private reasons, Bailey did train with the squad on Saturday after the Jamaican sat out the full training session on Friday. According to Bosz, the 21-year-old was feeling the effects of a long flight and suffering somewhat from the air conditioning. Therefore the decision was to take the precaution of Bailey returning to full training a day later.
The main focus for Bosz in the first few days is the improvement of fitness levels. "We've been working on stamina – albeit with the ball," said the Dutchman on Sunday. Using the ball is always important for him. Of equal significance for the 55 year-old: when the session on the training ground begins at 10.30 CET and it starts with 'football training': positional play, passing drills, tactical work etc. The warm-up routine is down to the players themselves – but obviously with the help of the fitness coaches. Either in the facilities at the BayArena or on the training ground.
One player completed his Sunday training in the gym. Karim Bellarabi had a slight problem with his back and had to work on his own. The 28 year-old should rejoin the rest of the Werkself squad on the training ground on Monday (14.30 CET).

Bayer 04 Leverkusen have extended the contract with Germany U19 international Montrell Culbreath. The attacking midfielder and right winger has penned a deal with the Bundesliga club that runs to 30 June 2030. Culbreath has played for the Werkself as a youth player since 2023. Last December, he scored his first Bundesliga goal for the Leverkusen first team in the Bayer 04 3-1 away win at RB Leipzig.
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The Werkself's 3-0 victory over Villarreal in the UEFA Champions League certainly left many happy faces: Malik Tillman was delighted with his brace, Robert Andrich with the clean sheet and coach Kasper Hjulmand with the "manner" of this significant home win. With an overwhelming superiority and over 75 per cent possession at times, Bayer 04 deserved their place in the UCL play-off round. They will face a familiar foe in February. The Werkself review.
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Werkself TV shows highlights of the 3-0 win against FC Villarreal on matchday 8 in the UEFA Champions League 2025/26 league phase...
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The Champions League journey continues! On the eighth and final matchday of the league phase of the UEFA Champions League 2025/26, Bayer 04 secured their place in the play-offs with a commanding 3-0 win over Villarreal. Malik Tillman put in a mature and combative performance for Leverkusen, scoring a brace (12', 35') to make it 2-0 at the break, while Alejandro Grimaldo (57') and plenty of control of the game did the rest in the second half. The draw for the Werkself's next UCL opponents will take place on Friday 30 January at 12:00 CET.
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