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Basic information
- First name (and middle names): Siem
- Last name: de Jong
- Birth date: 28 January 1989 (36 years ago)
- Country: Netherlands
- Height: 185 cm
- Position: midfielder
Transfers
| Player (age) | From club | To club | Date | Fee | |||
|---|---|---|---|---|---|---|---|
| Show/hide all additional info | Fees in euro (EUR) | ||||||
| 1 |  S. de Jong (28) |  Newcastle |  Ajax | 2017, Aug | 2 300 000 | ||
| 2 | S. de Jong (28) |  PSV | Newcastle | 2017, Jul | |||
| 3 | S. de Jong (25) | Ajax | Newcastle | 2014, Jul | 8 700 000 | ||
| 4 | S. de Jong (19) | Ajax U19 | Ajax | 2008, Jan | |||