Player stats against each opponent club
| Team | MP | W | D | L | G | A | ||
|---|---|---|---|---|---|---|---|---|
 Becerril Campos | 3 | 0 | 2 | 1 | 0 | 0 | 1 | 0 |
 Bembibre | 2 | 1 | 1 | 0 | 0 | 0 | 0 | 0 |
 Mirandés II | 2 | 2 | 0 | 0 | 0 | 0 | 0 | 0 |
 Real Oviedo | 1 | 1 | 0 | 0 | 0 | 0 | 0 | 0 |
 Sporting Gijón | 1 | 1 | 0 | 0 | 0 | 0 | 0 | 0 |
 Celta de Vigo II | 1 | 0 | 0 | 1 | 0 | 0 | 0 | 0 |
 Deportivo La Coruña | 1 | 0 | 0 | 1 | 0 | 0 | 0 | 0 |
 Mallorca | 1 | 0 | 0 | 1 | 0 | 0 | 0 | 0 |
 Guijuelo | 1 | 0 | 0 | 1 | 0 | 0 | 0 | 0 |
 Alcorcón | 1 | 0 | 1 | 0 | 0 | 0 | 0 | 0 |
 Villarreal | 1 | 0 | 0 | 1 | 0 | 0 | 0 | 0 |
 Burgos | 1 | 0 | 0 | 1 | 0 | 0 | 0 | 0 |
 Racing Ferrol | 1 | 0 | 1 | 0 | 0 | 0 | 1 | 0 |
 SD Logroñés | 1 | 1 | 0 | 0 | 1 | 0 | 0 | 0 |
 Villaralbo | 1 | 1 | 0 | 0 | 0 | 0 | 0 | 0 |
 Atlético Astorga | 1 | 0 | 1 | 0 | 0 | 0 | 0 | 0 |
 Real Ávila | 1 | 0 | 1 | 0 | 0 | 0 | 1 | 0 |
 Numancia II | 1 | 1 | 0 | 0 | 0 | 0 | 1 | 0 |
 Sporting Uxama | 1 | 0 | 1 | 0 | 0 | 0 | 0 | 0 |
 Cultural Leonesa II | 1 | 1 | 0 | 0 | 0 | 0 | 0 | 0 |
Vallejo plays as a midfielder for Palencia CF. Vallejo has scored 8 goals in 87 professional appearances across 3 clubs. Among the clubs he has represented — Palencia CF, Zamora, Bembibre — Vallejo was most prolific at Zamora, where he scored 6 goals in 62 appearances. Vallejo stands 176 cm tall, weighs 73 kg.
