The day of the Northern Ireland match is the anniversary of the debut appearance in the Germany senior team for Kai Havertz (three caps). A year ago, on 9 September 2018, the then 19-year-old was brought on in the 2-1 win against Peru by Germany coach Joachim Löw with two minutes to play. U21 European Championships runner-up Jonathan Tah (six caps) was in the squad then but did not play.
In addition to the Germany duo, 12 other Werkself players are on international duty in the coming week: Julian Baumgartlinger (68 caps) and Aleksandar Dragovic (74 caps) have been selected by Austria head coach and former Bayer 04 player Franco Foda for the two Euro qualifiers against Latvia (6 September) and Poland (9 September). Lukas Hradecky (53 caps) also faces two Euro qualifiers with Finland – the 'Eagle owls' play Greece (5 September) and Italy (8 September).
Lucas Alario (three caps) has been called up by Argentina for the first time in two years. And that is for the two friendlies against Chile (6 September) and Mexico (11 September). That could mean the Werkself number 13 coming up against team-mate Charles Aránguiz (74 caps) who is expected to be in the Chile line-up. In addition to the game against Alario's Argentina (6 September), Chile also play Honduras (11 September).
For Leon Bailey (four caps) and Jamaica there are two matches in the CONCACAF Nations League: The 'Reggae Boyz' play Antigua & Barbuda on 7 September and Guyana on 10 September.
Paulinho (Brazil U23), Moussa Diaby (France U21), Panagiotis Retsos (Greece U21), Adrian Stanilewicz (Poland U20) and the two U19 players Mark Lamti (Tunisia U23) and Marcel Lotka (Poland U19) are on the road with their junior national sides next week.
Strengthening the Bayer 04 Leverkusen youth teams: Konstantinos Kotsifakis will join the Werkself from Bundesliga 2 club Hertha Berlin for the 2026/27 season, where he will be a permanent member of the Leverkusen U19 coaching set-up. The German-Greek will also take on an operational role in coaching the Bayer 04 Future Team. The 29-year-old was most recently head coach of the U17s at Hertha Berlin.
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Another award for the Bayer 04 head groundsman and staff: After coming top in the 2021/22, 2022/23 and 2024/25 seasons, the BayArena pitch came second in the Bundesliga Pitch of the Year ranking for the 2025/26 season. VfL Wolfsburg secured the top spot this year, with TSG Hoffenheim in third place.
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Opening opponents, derby weekends, the opponents in the season finale: This information and more will be available to Bayer 04 fans on Thursday, 2 July, when the 2026/27 Bundesliga fixture list is published.
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The next footballing highlight is just around the corner: the 2026 FIFA World Cup, the 23rd edition of the tournament, will be held in the USA, Canada and Mexico and feature 48 teams for the first time. Bayer04.de has all the latest on the Werkself players called up to represent their countries.
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While the majority of the Bayer 04 Women are enjoying their summer break, nine Werkself players will be on duty for their national teams in the coming days. Three of them are competing for a place at the World Cup, while six are involved in two friendlies with the Germany U23 team.
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