
Lukas Hradecky, Aleksandar Dragovic, Julian Baumgartlinger, Tin Jedvaj and Kai Havertz were still playing international matches at the beginning of June and exactly like Paulinho, who was involved in an international tournament for Brazil in Toulon up to the middle of June, will return to full training on Monday 8 July. Jonathan Tah (U21 Euros), Charles Aránguiz (Copa America) and Leon Bailey (Gold Cup) will join their team-mates over the course of the training camp in Austria (15 to 21 July).
There have been no changes to squad numbers. The new signings will have the following numbers: Kerem Demirbay (10), Moussa Diaby (19), Daley Sinkgraven (22) and returnee Niklas Lomb the number 36 again.
The squad for the 2019/20 season (As at 1 July 2019)
1 Lukas Hradecky
3 Panagiotis Retsos
4 Jonathan Tah
5 Sven Bender
6 Aleksandar Dragovic
7 Paulinho
8 Lars Bender
9 Leon Bailey
10 Kerem Demirbay
13 Lucas Alario
15 Julian Baumgartlinger
16 Tin Jedvaj
17 Joel Pohjanpalo
18 Wendell
19 Moussa Diaby
20 Charles Aranguiz
21 Dominik Kohr
22 Daley Sinkgraven
23 Mitchell Weiser
28 Ramazan Özcan
29 Kai Havertz
31 Kevin Volland
33 Jan Boller
36 Niklas Lomb
38 Karim Bellarabi

The men's clothing retailer LERROS will remain the official fashion and premium partner of Bayer 04 for the current season. As in the past, LERROS will provide the club's men's team, coaching staff and management with high-quality clothing for international trips.
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“Diaby! Diaby! Diaby!” was the cry around the BayArena as the Werkself danced in front of the north stand following their 4-0 win over Union Berlin. Captain Edmond Tapsoba gave his new (and old) teammate a friendly shove forward to take in the acclaim from the fans. The returning Frenchman was typically reserved in thanking the supporters but was clearly emotional about what was happening.
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Bayer 04 produced a dominant and impressive 4-0 win over Union Berlin as they picked up three points in their first home game of the 2026/27 Bundesliga campaign. Exequiel Fernández opened the scoring after only 41 seconds, with Facundo Medina doubling the lead before the half-hour mark. Patrik Schick and Ibrahim Maza continued the procession in the second period, in which Moussa Diaby came on for his first Leverkusen appearance for over three years.
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The Bundesliga is back at the BayArena this Saturday as Bayer 04 play their first home game of the 2026/27 campaign against Union Berlin (15:30 CEST). Moussa Diaby could make his second debut for the Werkself following his return to Leverkusen – and it would be an ideal fixture for the Frenchman. Here’s all you need to know ahead of the encounter in our matchday news.
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