The Daily Record claims that they face competition from Bundesliga club Hannover and Bundesliga 2 club Red Bull Leipzig for the left-back.
It is believed that St Pauli will want a fee of around £750k for the player.
Celtic have already signed defender Dedryck Boyata from Manchester City.
Restore Data
| Team | P | W | D | L | F | A | GD | PTS | |
| C | RangersRangers | 33 | 28 | 5 | 0 | 78 | 10 | 68 | 89 |
| 2 | Celtic | 33 | 20 | 9 | 4 | 66 | 24 | 42 | 69 |
| 3 | Hibernian | 33 | 16 | 8 | 9 | 44 | 31 | 13 | 56 |
| 4 | Aberdeen | 33 | 13 | 10 | 10 | 32 | 31 | 1 | 49 |
| 5 | Livingston | 33 | 12 | 8 | 13 | 40 | 41 | -1 | 44 |
| 6 | St Johnstone | 33 | 10 | 10 | 13 | 34 | 40 | -6 | 40 |
| 7 | St Mirren | 33 | 10 | 10 | 13 | 30 | 38 | -8 | 40 |
| 8 | Dundee UnitedDundee Utd | 33 | 9 | 12 | 12 | 29 | 43 | -14 | 39 |
| 9 | Motherwell | 33 | 9 | 8 | 16 | 32 | 51 | -19 | 35 |
| 10 | Ross County | 33 | 8 | 5 | 20 | 26 | 59 | -33 | 29 |
| 11 | Kilmarnock | 33 | 8 | 4 | 21 | 33 | 47 | -14 | 28 |
| 12 | Hamilton AcademicalHamilton | 33 | 6 | 9 | 18 | 31 | 60 | -29 | 27 |
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