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 | 15 | 11 | 3 | 1 | 47 | 13 | 34 | 36 |
| 2 | Bayer LeverkusenB. Leverkusen | 15 | 9 | 5 | 1 | 37 | 21 | 16 | 32 |
| 3 | Eintracht FrankfurtFrankfurt | 15 | 8 | 3 | 4 | 35 | 23 | 12 | 27 |
| 4 | RB Leipzig | 15 | 8 | 3 | 4 | 24 | 20 | 4 | 27 |
| 5 | Mainz 05Mainz | 15 | 7 | 4 | 4 | 28 | 20 | 8 | 25 |
| 6 | Borussia DortmundDortmund | 15 | 7 | 4 | 4 | 28 | 22 | 6 | 25 |
| 7 | Werder Bremen | 15 | 7 | 4 | 4 | 26 | 25 | 1 | 25 |
| 8 | Borussia MonchengladbachBorussia M'bach | 15 | 7 | 3 | 5 | 25 | 20 | 5 | 24 |
| 9 | Freiburg | 15 | 7 | 3 | 5 | 21 | 24 | -3 | 24 |
| 10 | Stuttgart | 15 | 6 | 5 | 4 | 29 | 25 | 4 | 23 |
| 11 | Wolfsburg | 15 | 6 | 3 | 6 | 32 | 28 | 4 | 21 |
| 12 | Union BerlinUnion Berlin | 15 | 4 | 5 | 6 | 14 | 19 | -5 | 17 |
| 13 | Augsburg | 15 | 4 | 4 | 7 | 17 | 32 | -15 | 16 |
| 14 | St Pauli | 15 | 4 | 2 | 9 | 12 | 19 | -7 | 14 |
| 15 | Hoffenheim | 15 | 3 | 5 | 7 | 20 | 28 | -8 | 14 |
| 16 | Heidenheim | 15 | 3 | 1 | 11 | 18 | 33 | -15 | 10 |
| 17 | Holstein Kiel | 15 | 2 | 2 | 11 | 19 | 38 | -19 | 8 |
| 18 | VfL BochumVfL Bochum | 15 | 1 | 3 | 11 | 13 | 35 | -22 | 6 |
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