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Basic information
- First name (and middle names): Robert
- Last name: Sierka
- Birth date: 20 November 1975 (49 years ago)
- Country: Poland
- Height: 177 cm
- Position: midfielder
Transfers
| Player (age) | From club | To club | Date | Fee | |||
|---|---|---|---|---|---|---|---|
| Show/hide all additional info | Fees in euro (EUR) | ||||||
| 1 |  R. Sierka (32) | no club | 2008, Jul | ||||
| 2 | R. Sierka (29) |  Piast | 2005, Jul | ||||
| 3 | R. Sierka (27) | Piast | 2003, Jul | ||||
| 4 | R. Sierka (26) | 2002, Jul | |||||
| 5 | R. Sierka (25) | 2001, Sep | |||||
| 6 | R. Sierka (21) |  Polonia Bytom | 1997, Jul | ||||
| 7 | R. Sierka (21) | Polonia Bytom | 1997, Jan | ||||