
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 Bayer 04's 2-1 derby win at 1. FC Köln Matchday 9 of the 2026/27 Bundesliga season...
Show more
There were celebrations among those in black and red at the RheinEnergieSTADION. On Matchday 9 of the 2026/27 Bundesliga season, the Werkself beat 1. FC Köln 2-0 and registered their sixth successive win in the derby. Aleix Garcia put Bayer 04 in front after just seven minutes with a direct free kick. Leverkusen played with discipline and energy after that and didn't allow some fierce challenges to unsettle them. Patrik Schick made it 2-0 in the 86th minute, and Said El Mala's goal in stoppage time for Köln proved nothing more than consolation. Jonas Hofmann crowned the derby win with his 100th appearance for the club.
Show more
Bayer 04 have won each of their last five competitive encounters with 1. FC Köln, and it's around seven years since their last defeat in the cathedral city. That said, the hosts are in strong form at home and will make it anything but easy for the Werkself at the RheinEnergieSTADION on Sunday afternoon (kick-off 15:30 CET). The Matchday News.
Show more
Werkself-TV shows the highlights of Bayer 04 Women's 2-0 win against Hamburger SV on Matchday 9 of the 2026/27 Google Pixel Women's Bundesliga.
Show more
Bayer 04 Women closed the gap on the teams above them in the Bundesliga with a 2-0 win at home to Hamburger SV on Saturday afternoon. Roberto Pätzold's side bided their time at the Ulrich-Haberland-Stadion before second-half goals from Cornelia Kramer (58') and Lobke Loonen (90'+5) earned them a victory that moves them to within a point of third place, the final Champions League qualification spot.
Show more