Fiorentina have confirmed that the on-loan winger's injury occurred during Thursday's 2-1 Europa League defeat to Basel.
Blaszczykowski played the full 90 minutes as Paulo Sousa lost to his former club.
Fiorentina travel to Carpi on Sunday.
Restore Data
| Team | P | W | D | L | F | A | GD | PTS | |
| C | Inter Milan | 34 | 28 | 5 | 1 | 81 | 18 | 63 | 89 |
| 2 | AC Milan | 34 | 21 | 7 | 6 | 64 | 39 | 25 | 70 |
| 3 | Juventus | 34 | 18 | 11 | 5 | 47 | 26 | 21 | 65 |
| 4 | Bologna | 34 | 17 | 12 | 5 | 49 | 27 | 22 | 63 |
| 5 | Roma | 34 | 17 | 8 | 9 | 61 | 41 | 20 | 59 |
| 6 | Atalanta BCAtalanta | 33 | 17 | 6 | 10 | 61 | 37 | 24 | 57 |
| 7 | Lazio | 34 | 17 | 4 | 13 | 43 | 35 | 8 | 55 |
| 8 | Fiorentina | 33 | 14 | 8 | 11 | 50 | 37 | 13 | 50 |
| 9 | Napoli | 34 | 13 | 11 | 10 | 52 | 43 | 9 | 50 |
| 10 | Torino | 34 | 11 | 13 | 10 | 31 | 31 | 0 | 46 |
| 11 | Monza | 34 | 11 | 11 | 12 | 36 | 44 | -8 | 44 |
| 12 | Genoa | 34 | 10 | 12 | 12 | 38 | 40 | -2 | 42 |
| 13 | Lecce | 34 | 8 | 12 | 14 | 31 | 49 | -18 | 36 |
| 14 | CagliariCagliari | 34 | 7 | 11 | 16 | 36 | 59 | -23 | 32 |
| 15 | Hellas VeronaHellas Verona | 34 | 7 | 10 | 17 | 31 | 45 | -14 | 31 |
| 16 | FrosinoneFrosinone | 34 | 7 | 10 | 17 | 43 | 63 | -20 | 31 |
| 17 | Empoli | 34 | 8 | 7 | 19 | 26 | 50 | -24 | 31 |
| 18 | Udinese | 34 | 4 | 17 | 13 | 32 | 51 | -19 | 29 |
| 19 | SassuoloSassuolo | 34 | 6 | 8 | 20 | 40 | 70 | -30 | 26 |
| R | Salernitana | 34 | 2 | 9 | 23 | 26 | 73 | -47 | 15 |
| > Serie A Full Table | |||||||||
