French forward Moussa Diaby has returned to Bayer 04 at the close of the summer 2026 transfer window. He joined from Saudi club Al-Ittihad and has signed a contract with Leverkusen running until 30 June 2031. Diaby, who previously played for the Werkself from 2019 to 2023, will once again be chasing goals wearing the number 19 shirt. During his time in Saudi Arabia, he won the national championship in commanding fashion in 2025 alongside world-class striker Karim Benzema.
| Period | Club | Games | Goals |
|---|---|---|---|
| 2024 - 2026 | Al-Ittihad | 73 | 11 |
| 2023 - 2024 | Aston Villa FC | 54 | 10 |
| 2019 - 2023 | Bayer 04 Leverkusen | 172 | 49 |
| 2018 - 2019 | Paris Saint-Germain | 34 | 4 |
| 2018 - 2018 | FC Crotone (loan) | 2 | 0 |
| Games | Date | Competition |
|---|---|---|
2:0 | 20.09.2026 | Bundesliga |
2:0 | 16.09.2026 | UEFA Europa League |
2:2 | 12.09.2026 | Bundesliga |
4:0 | 05.09.2026 | Bundesliga |
3:0 | 27.05.2023 | Bundesliga |
2:2 | 21.05.2023 | Bundesliga |
0:0 | 18.05.2023 | UEFA Europa League |
1:1 | 14.05.2023 | Bundesliga |
1:0 | 11.05.2023 | UEFA Europa League |
1:2 | 05.05.2023 | Bundesliga |

Buoyed by the 2–0 victory over RB Leipzig, the Werkself showed maximum commitment at the start of the new week on the training ground, including during the open session on Tuesday lunchtime. After initial birthday wishes for Robert Andrich, the group – slightly reduced in number due to nine players being away on international duty – got straight down to business on the pitch. Under the loud commands of head coach Carles Martínez, Patrik Schick, Miguel Gutiérrez and the rest of the squad practised various passing drills and game scenarios. Following the session, Moussa Diaby spoke to the media about his relationship with the Bayer 04 fans and his goals for Leverkusen.
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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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“Welcome home” was the message from a visually emotional fan in the direction of Moussa Diaby after Wednesday’s open training session. The French winger had just appeared on the BayArena training ground for the first time in three years following his return to Bayer 04. And before he took time for selfies and autographs, Diaby spoke to the media. Fellow new arrival Guéla Doué was also in action but not with the team for now.
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French forward Moussa Diaby is returning to the Werkself. Bayer 04 have reached an agreement with Diaby and his Saudi club Al-Ittihad regarding a transfer for the striker, who has signed a contract with Leverkusen running until 30 June 2031. He will again wear the number 19 jersey.
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He knows the dressing room, the pitch and the club. But, above all, he knows the feeling of playing for the Werkself at the BayArena: Moussa Diaby is back in Leverkusen after three years. The lightning-fast winger has signed a contract with Bayer 04 until 2031 and he will once again wear the number 19 jersey. The left-footed player previously played for the club from 2019 to 2023, having arrived in the Rhineland from his native France as a promising young talent and eventually leaving the club – having established himself as one of the Bundesliga’s best attackers – to join Aston Villa in the Premier League. Now he has returned to Bayer 04 from Al-Ittihad FC in Saudi Arabia.
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