The Spaniard had been linked with moves to Manchester City and Manchester United.
However, the 23-year-old has opted to join the Bundesliga club on a five-year deal, according to German newspaper Bild.
Martinez was part of the Spanish squad that won the 2010 World Cup and Euro 2012.
Restore Data
| Team | P | W | D | L | F | A | GD | PTS | |
| 1 | Bayern MunichBayern | 16 | 12 | 3 | 1 | 48 | 13 | 35 | 39 |
| 2 | Bayer LeverkusenB. Leverkusen | 17 | 11 | 5 | 1 | 41 | 23 | 18 | 38 |
| 3 | Eintracht FrankfurtFrankfurt | 17 | 10 | 3 | 4 | 40 | 24 | 16 | 33 |
| 4 | RB Leipzig | 16 | 9 | 3 | 4 | 28 | 22 | 6 | 30 |
| 5 | Mainz 05Mainz | 17 | 8 | 4 | 5 | 30 | 21 | 9 | 28 |
| 6 | Wolfsburg | 17 | 8 | 3 | 6 | 38 | 29 | 9 | 27 |
| 7 | Freiburg | 17 | 8 | 3 | 6 | 25 | 30 | -5 | 27 |
| 8 | Stuttgart | 16 | 7 | 5 | 4 | 30 | 25 | 5 | 26 |
| 9 | Borussia DortmundDortmund | 17 | 7 | 4 | 6 | 32 | 29 | 3 | 25 |
| 10 | Werder Bremen | 16 | 7 | 4 | 5 | 28 | 29 | -1 | 25 |
| 11 | Borussia MonchengladbachBorussia M'bach | 17 | 7 | 3 | 7 | 26 | 26 | 0 | 24 |
| 12 | Union BerlinUnion Berlin | 16 | 4 | 5 | 7 | 14 | 21 | -7 | 17 |
| 13 | Augsburg | 16 | 4 | 4 | 8 | 17 | 33 | -16 | 16 |
| 14 | Hoffenheim | 16 | 3 | 5 | 8 | 20 | 29 | -9 | 14 |
| 15 | St Pauli | 17 | 4 | 2 | 11 | 12 | 21 | -9 | 14 |
| 16 | Heidenheim | 16 | 4 | 1 | 11 | 20 | 33 | -13 | 13 |
| 17 | Holstein Kiel | 17 | 3 | 2 | 12 | 25 | 43 | -18 | 11 |
| 18 | VfL BochumVfL Bochum | 17 | 2 | 3 | 12 | 14 | 37 | -23 | 9 |
| > Bundesliga Full Table | |||||||||
