
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 0-1 loss at Eintracht Frankfurt on the 17th matchday of the Google Pixel Frauen-Bundesliga 2025/26.
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Bayer 04 have a score to settle with Borussia Mönchengladbach after their late equaliser in the reverse fixture. But it’s been a while since the points were shared in this fixture at Borussia-Park, where the Werkself have won their last six visits – their best run ever away at a team in the Bundesliga. Victory in Saturday evening’s game (18:30 CET) would also be the team’s fifth in a row in all competitions and their best run this season, while Gladbach are only just above the bottom three after going four games without a win. Here’s all you need to know ahead of the evening’s encounter in our matchday news.
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After just two points from their last four games, the situation has become trickier for Borussia Mönchengladbach in the bottom third of the table. Only three points separate the Foals from the relegation play-off spot. Coach Eugen Polanski's team is under pressure ahead of the home game against the Werkself on Saturday, 7 February (kick-off: 18:30 CET). The lowdown on our next opponents.
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Ahead of the Bundesliga match at Borussia Mönchengladbach on Saturday, 7 February (kick-off: 18:30 CET), coach Kasper Hjulmand spoke about the strengths of the ‘Foals’ and a new player in his own ranks.
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