
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.

Bayer 04 have signed left-back Carolin Simon from champions Bayern Munich for the coming season. The 33-year-old former Germany international, who played for Leverkusen from 2013 to 2016, has signed a contract to 30 June 2028.
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Bayer 04 Women have strengthened for the coming season with the signing of Lobke Loone. The 23-year-old Dutch striker joins from Utrecht on a contract until 30 June 2028.
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The Werkself returned from the near one-month break in the Google Pixel Women's Bundesliga with a convincing victory at home. Roberto Pätzold's side beat SC Freiburg 4-1 on Sunday afternoon, with goals from Katharina Piljic, Estrella Merino Gonzalez, Cornelia Kramer and Carlotta Wamser ensuring a 13th win of the season at the Ulrich-Haberland-Stadion. The Black and Reds, who are now on 40 points, move up to fourth place at least overnight.
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The fifth consecutive derby win over 1. FC Köln was a hugely significant one in terms of the battle for the UEFA Champions League places. Goalkeeper Janis Blaswich, speaking for the whole team, dedicated the 2-1 victory in the cathedral city to the travelling support: "I'm especially happy about this victory for our fans!" Get the rest of the reaction from those involved and the media, as well as some impressive stats on two-goal hero Patrik Schick and a look at the all-time Bundesliga table, in the Werkself Review.
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