| Fees in euro (EUR) |
| 1 |  M. Marin (27) |  Trabzonspor |  Chelsea | 2016, Jul | |
| 2 | M. Marin (26) | Chelsea | Trabzonspor | 2015, Aug | |
| 3 | M. Marin (26) |  Anderlecht | Chelsea | 2015, Jun | |
| 4 | M. Marin (25) | Chelsea | Anderlecht | 2015, Jan | |
| 5 | M. Marin (25) |  Fiorentina | Chelsea | 2015, Jan | |
| 6 | M. Marin (25) | Chelsea | Fiorentina | 2014, Aug | |
| 7 | M. Marin (25) |  Sevilla | Chelsea | 2014, Jun | |
| 8 | M. Marin (24) | Chelsea | Sevilla | 2013, Jul | |
| 9 | M. Marin (23) |  Werder Bremen | Chelsea | 2012, Jul | 8 000 000 |
| 10 | M. Marin (20) |  Mönchengladbach | Werder Bremen | 2009, Jul | 8 200 000 |
| 11 | M. Marin (18) | Borussia Mönchengladbach II | Mönchengladbach | 2007, Jul | |
| 12 | M. Marin (17) | Borussia Mönchengladbach U19 | Borussia Mönchengladbach II | 2006, Jul | |
| 13 | M. Marin (16) |  Eintracht Frankfurt U17 | Borussia Mönchengladbach U19 | 2005, Jul | 20 000 |
| 14 | M. Marin (15) | Eintracht Frankfurt Youth | Eintracht Frankfurt U17 | 2004, Jul | |
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