Moussa Diaby

Moussa Diaby contract and transfer fees

Moussa Diaby's contract with Bayer 04 Leverkusen runs until 30 June 2031 (55 months left). The final six months open on 1 January 2031, when FIFA rules let him agree a pre-contract elsewhere.

Moussa Diaby has moved for €158m in disclosed transfer fees since 2015 (4 paid transfers). The biggest: €60m, Aston Villa to Al Ittihad, Jul 2024.

Bayer 04 Leverkusen paid €28m for Moussa Diaby in September 2026. His value is now €27m, €1m below the fee. That is €3m per appearance across his 9 for them so far.

Moussa Diaby transfer history and what each club made

• Paris SG U19 · sold to Paris Saint Germain for an undisclosed fee (Jul 2018)
• Paris Saint Germain · signed from Paris SG U19 for an undisclosed fee (Jul 2018) · sold to Bayer 04 Leverkusen for €15m (Jul 2019)
• Bayer 04 Leverkusen · signed from Paris Saint Germain for €15m (Jul 2019) · sold to Aston Villa for €55m (Jul 2023) · profit for Bayer 04 Leverkusen €40m
• Aston Villa · signed from Bayer 04 Leverkusen for €55m (Jul 2023) · sold to Al Ittihad for €60m (Jul 2024) · profit for Aston Villa €5m
• Al Ittihad · signed from Aston Villa for €60m (Jul 2024) · sold to Bayer 04 Leverkusen for €28m (Sep 2026) · loss for Al Ittihad €32m
• Bayer 04 Leverkusen · signed from Al Ittihad for €28m (Sep 2026) · current club

Moussa Diaby injury record and availability

Moussa Diaby is out injured: hamstring injury since 25 Oct 2026, return date not set (5 games missed so far).

In the 2026/27 league season Moussa Diaby has played 391 of a possible 720 minutes since he joined (54%): 5 starts and 6 appearances in 8 games, average rating 6.85.

Since 2021, Moussa Diaby has had 5 injury spells: 95 days out and 15 games missed. Longest: ankle sprain, 40 days (Nov 2024).

• 2026/27: 1 spell, 16 days out, 5 games missed
• 2025/26: no injury recorded
• 2024/25: 2 spells, 61 days out, 7 games missed

Bayer 04 Leverkusen injury list

Moussa Diaby international career: France caps

Moussa Diaby has 11 senior caps for France and 0 international goals.

Not in a matchday squad in the last 12 months; the last time was 27 Mar 2024.

Moussa Diaby: club-trained at Paris Saint Germain

Moussa Diaby is club-trained at Paris Saint Germain: our record shows him registered there for three entire seasons or 36 months between the ages of 15 and 21.

• Paris Saint Germain

We count a player as club-trained when his record shows him registered with the club for three entire seasons or 36 months between the ages of 15 and 21 (UEFA's home-grown test), wherever he started and whatever he cost; time on loan counts for the club that borrowed him.