
"Moussa Diaby is an extremely fast, technically strong striker whose qualities suit our game down to the ground," said sporting director Simon Rolfes after the second signing in the current transfer window following that of Kerem Demirbay. "Moussa is already very advanced at the age of 19. He played 34 games last season, an impressive number for a top European club like PSG. He's one of the really big French talents who will find ideal conditions here with us in Leverkusen to develop into an absolutely top player," added Rolfes.
Diaby, who will wear the number 19 shirt for Bayer 04, came through the youth ranks at Paris Saint-Germain and he was a regular for the French team at the U20 World Cup in Poland. The left-footer is happy "about a great chance to have a fresh start at a top German club where I can improve myself and my game. The move abroad into one of the best and most evenly balanced leagues in Europe is extremely exciting," said Diaby. "I'm very interested in Germany, the special type of football and the great stadiums. And of course, it's great to be in the Champions League with Bayer 04."
For Rudi Völler, the Diaby transfer means "we are once again a very attractive club for young top players. It's well known that you can quickly reach the highest level at Leverkusen and that we are willing to show our confidence and share responsibility early independent of age with appropriate performances," said the sporting managing director. "I'm sure Moussa Diaby will be really good for us with his great pace and his technique."

You have voted – your ‘Team of the Quarter-Century’ has been decided! This historic selection, covering the period from 1 January 2000 to 31 December 2024, features honorary captains, Bundesliga champions, double winners and Champions League finalists. Edmond Tapsoba is the only player from the current Bayer 04 squad to make it into the starting XI, while his team-mate Patrik Schick is on the bench. Simon Rolfes, the current managing director sport, is also in the lie-up. A truly special team that brings together a quarter of a century of Bayer 04 history – and has left a decisive mark on the club.
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Following Patrik Schick, Mark Flekken, Ibrahim Maza and Kerim Alajbegovic earlier this week, the next World Cup participant is back on the training ground in Leverkusen: On Thursday 30 July, Malik Tillman rejoined the squad, completing his first training session under head coach Carles Martínez.
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Werkself TV shows the highlights of the 4-0 victory in the friendly match against KRC Genk...
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In their third friendly of this pre-season, Bayer 04 played on home soil for the first time – and won there too! The Werkself claimed a comfortable 4-0 victory against Belgian top-flight side KRC Genk at the Ulrich-Haberland-Stadion. Jeanuel Belocian (9’) and Nathan Tella (42’) gave a dominant Leverkusen a 2-0 lead at the break, which Afonso Moreira (51’) and Christian Kofane (53’) doubled after the break. Among the many second-half substitutions was Patrik Schick, who made his first friendly appearance of the summer.
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The Werkself are finally back. On Saturday 8 August, Bayer 04 kick off the 2026/27 campaign with their opening match. But there’s far more than just a double-header in store for Werkself supporters. True to the motto ‘One day. Two teams. One club’, the BayArena and the Ulrich Haberland Stadium will be transformed into a world of excitement.
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