The Spanish club face HJK Helsinki in the first leg on Thursday, but they will be without the experienced pair.
Llorente, 27, has long been linked with a move to Juventus this summer, while Bayern Munich are reportedly the favourites for Martinez, 23.
Bilbao beat Manchester United in the European competition last season.
Restore Data
| Team | P | W | D | L | F | A | GD | PTS | |
| 1 | Bayern MunichBayern | 20 | 16 | 3 | 1 | 62 | 19 | 43 | 51 |
| 2 | Bayer LeverkusenB. Leverkusen | 20 | 13 | 6 | 1 | 49 | 27 | 22 | 45 |
| 3 | Eintracht FrankfurtFrankfurt | 20 | 11 | 5 | 4 | 45 | 27 | 18 | 38 |
| 4 | RB Leipzig | 20 | 9 | 6 | 5 | 34 | 29 | 5 | 33 |
| 5 | Stuttgart | 20 | 9 | 5 | 6 | 37 | 30 | 7 | 32 |
| 6 | Mainz 05Mainz | 20 | 9 | 4 | 7 | 33 | 24 | 9 | 31 |
| 7 | Borussia MonchengladbachBorussia M'bach | 20 | 9 | 3 | 8 | 32 | 30 | 2 | 30 |
| 8 | Werder Bremen | 20 | 8 | 6 | 6 | 34 | 36 | -2 | 30 |
| 9 | Freiburg | 20 | 9 | 3 | 8 | 27 | 36 | -9 | 30 |
| 10 | Wolfsburg | 20 | 8 | 5 | 7 | 43 | 35 | 8 | 29 |
| 11 | Borussia DortmundDortmund | 20 | 8 | 5 | 7 | 36 | 34 | 2 | 29 |
| 12 | Augsburg | 20 | 7 | 5 | 8 | 24 | 35 | -11 | 26 |
| 13 | St Pauli | 20 | 6 | 3 | 11 | 18 | 22 | -4 | 21 |
| 14 | Union BerlinUnion Berlin | 20 | 5 | 6 | 9 | 16 | 27 | -11 | 21 |
| 15 | Hoffenheim | 20 | 4 | 6 | 10 | 26 | 40 | -14 | 18 |
| 16 | Heidenheim | 20 | 4 | 2 | 14 | 25 | 42 | -17 | 14 |
| 17 | Holstein Kiel | 20 | 3 | 3 | 14 | 31 | 52 | -21 | 12 |
| 18 | VfL BochumVfL Bochum | 20 | 2 | 4 | 14 | 17 | 44 | -27 | 10 |
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