
The 18-year-old has worn the Black and Red shirt since 2013 and he has made 16 appearances for the Bayer 04 U19s in the current U19 Bundesliga West campaign. He has also been very much in demand with the Germany youth teams. Boller (pictured above in the middle with Lucas Alario and Sam Schreck in the game at Heidenheim) has earned 15 caps for the Germany U17 team and he was a first choice in central defence at the 2017 European Championships in Croatia as well as the World Cup in the same year in India. He played alongside Kai Havertz in the Bayer 04 U17s in 2016 when they won the Germany U17 championships with a 2-0 victory over Borussia Dortmund in the final.

Werkself-TV shows the highlights of the Bayer 04 women's 1-0 win against FC Carl Zeiss Jena on the 21th matchday of the Google Pixel Frauen-Bundesliga 2025/26.
Show more
Thanks to a masterstroke from Katharina Piljic, the Werkself secured their eleventh win of the season in the Google Pixel Women's Bundesliga. On Sunday evening, coach Roberto Pätzold's team beat FC Carl Zeiss Jena 1-0. Midfielder Piljic scored the winning goal with a volley into the corner from the edge of the box (19’) in front of 633 spectators at the Ulrich Haberland Stadium - and ensured that Leverkusen moved up to fifth place in the table for at least one night with 34 points.
Show more
Bayer 04 will have to make do without forward Martin Terrier in the next few weeks. The Frenchman sustained a muscle injury in his right hamstring in Saturday's 3-3 draw at Heidenheim in the Bundesliga.
Show more
Three goals weren’t enough for the Werkself to beat FC Heidenheim on Saturday. The 3-3 stalemate was Bayer 04’s third Bundesliga draw in a row. After a commanding first half and a two-goal lead, “we didn’t get back into our game,” summarised Mark Flekken, who featured between the sticks for the first time in two months. Patrik Schick once again proved his nose for goal, bagging a brace. He is now the third-most prolific Bundesliga scorer in the club’s history. Despite the squandered points, head coach Kasper Hjulmand remains confident ahead of the final spurt of the season: “We’re ready to overcome this situation.” The Werkself review.
Show more
Werkself TV shows the highlights of Bayer 04's 3-3 draw at FC Heidenheim on Matchday 27 of the 2025/26 Bundesliga season...
Show more