Highest: €3M (Jul 10, 2013)
| Date | Team | Age | Value |
|---|---|---|---|
| Al Gharafa | Age 37 | €200K | |
| Al Gharafa | Age 36 | €225K | |
| Al Gharafa | Age 36 | €250K | |
| Al Gharafa | Age 35 | €275K | |
| Al-Arabi (Qatar) | Age 35 | €300K | |
| Al-Arabi (Qatar) | Age 34 | €400K | |
| Al-Arabi (Qatar) | Age 34 | €400K | |
| Al-Arabi (Qatar) |
| Age 33 |
| €550K |
| Al-Arabi (Qatar) | Age 33 | €800K |
| Al-Arabi (Qatar) | Age 32 | €900K |
| Al-Arabi (Qatar) | Age 32 | €1.3M |
| Al-Arabi (Qatar) | Age 31 | €1.6M |
| Al-Arabi (Qatar) | Age 30 | €1.7M |
| Al-Arabi (Qatar) | Age 30 | €2.1M |
| Cardiff City | Age 29 | €2.5M |
| Cardiff City | Age 29 | €2.5M |
| Cardiff City | Age 28 | €2.5M |
| Cardiff City | Age 27 | €2.5M |
| Cardiff City | Age 27 | €2.5M |
| Cardiff City | Age 27 | €2.5M |
| Cardiff City | Age 26 | €3M |
| Cardiff City | Age 25 | €3M |
| Cardiff City | Age 24 | €3M |
| Cardiff City | Age 24 | €3M |
| Cardiff City | Age 23 | €2M |
| Cardiff City | Age 23 | €1.8M |
| Cardiff City | Age 22 | €1.8M |
| Coventry City | Age 21 | €1.3M |
| Coventry City | Age 19 | €1M |
| Coventry City | Age 19 | €300K |
| AZ Alkmaar U21 | Age 18 | €100K |
