The 35-year-old, who has also played for Chelsea and Bayern Munich, is currently a free agent after leaving Leverkusen in the summer.
According to Sky Sports news, no official contract talks have taken place, but a meeting between the two parties is expected this week.
Ballack scored 42 goals in 98 caps for Germany.
Restore Data
| Team | P | W | D | L | F | A | GD | PTS | |
| 1 | Bayern MunichBayern | 14 | 10 | 3 | 1 | 42 | 12 | 30 | 33 |
| 2 | Bayer LeverkusenB. Leverkusen | 14 | 8 | 5 | 1 | 32 | 20 | 12 | 29 |
| 3 | Eintracht FrankfurtFrankfurt | 13 | 8 | 3 | 2 | 33 | 18 | 15 | 27 |
| 4 | RB Leipzig | 13 | 7 | 3 | 3 | 21 | 14 | 7 | 24 |
| 5 | Freiburg | 14 | 7 | 3 | 4 | 20 | 19 | 1 | 24 |
| 6 | Stuttgart | 14 | 6 | 5 | 3 | 29 | 24 | 5 | 23 |
| 7 | Mainz 05Mainz | 14 | 6 | 4 | 4 | 25 | 19 | 6 | 22 |
| 8 | Werder Bremen | 14 | 6 | 4 | 4 | 22 | 24 | -2 | 22 |
| 9 | Wolfsburg | 14 | 6 | 3 | 5 | 31 | 25 | 6 | 21 |
| 10 | Borussia DortmundDortmund | 13 | 6 | 3 | 4 | 24 | 20 | 4 | 21 |
| 11 | Borussia MonchengladbachBorussia M'bach | 14 | 6 | 3 | 5 | 23 | 19 | 4 | 21 |
| 12 | Union BerlinUnion Berlin | 14 | 4 | 5 | 5 | 13 | 15 | -2 | 17 |
| 13 | Augsburg | 14 | 4 | 4 | 6 | 16 | 27 | -11 | 16 |
| 14 | Hoffenheim | 13 | 3 | 4 | 6 | 18 | 25 | -7 | 13 |
| 15 | St Pauli | 14 | 3 | 2 | 9 | 11 | 19 | -8 | 11 |
| 16 | Heidenheim | 14 | 3 | 1 | 10 | 18 | 31 | -13 | 10 |
| 17 | Holstein Kiel | 14 | 1 | 2 | 11 | 14 | 37 | -23 | 5 |
| 18 | VfL BochumVfL Bochum | 14 | 0 | 3 | 11 | 11 | 35 | -24 | 3 |
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