Player stats against each opponent club
| Team | MP | W | D | L | G | A | ||
|---|---|---|---|---|---|---|---|---|
 CD Calahorra | 1 | 0 | 1 | 0 | 0 | 0 | 0 | 0 |
 Tenerife | 1 | 0 | 0 | 1 | 0 | 0 | 0 | 0 |
| Izarra | 1 | 1 | 0 | 0 | 0 | 0 | 0 | 0 |
 Atlético Madrid | 1 | 0 | 1 | 0 | 0 | 0 | 0 | 0 |
 Gimnàstic Tarragona | 1 | 0 | 0 | 1 | 0 | 0 | 0 | 0 |
 Gernika Club | 1 | 1 | 0 | 0 | 0 | 0 | 0 | 0 |
 Gimnástica Segoviana | 1 | 0 | 0 | 1 | 0 | 0 | 0 | 0 |
 SD Ejea | 1 | 0 | 0 | 1 | 0 | 0 | 1 | 0 |
 Real Sociedad III | 1 | 1 | 0 | 0 | 0 | 0 | 0 | 0 |
 Cristo Atlético | 1 | 0 | 0 | 1 | 0 | 0 | 0 | 0 |
 Burgos Promesas | 1 | 0 | 0 | 1 | 0 | 0 | 0 | 0 |
 Beroil Bupolsa | 1 | 1 | 0 | 0 | 0 | 0 | 0 | 0 |
 Cultural Cebrereña | 1 | 1 | 0 | 0 | 0 | 0 | 0 | 0 |
 Casalarreina | 1 | 1 | 0 | 0 | 0 | 0 | 0 | 0 |
 Logroñés II | 1 | 0 | 1 | 0 | 0 | 0 | 0 | 0 |
 Utebo FC | 1 | 1 | 0 | 0 | 0 | 0 | 0 | 0 |
 Eibar II | 1 | 0 | 0 | 1 | 0 | 0 | 0 | 0 |
 La Granja | 1 | 1 | 0 | 0 | 0 | 0 | 0 | 0 |
 Salamanca II | 1 | 0 | 0 | 1 | 0 | 0 | 0 | 0 |
 Ciudad Rodrigo | 1 | 1 | 0 | 0 | 0 | 0 | 0 | 0 |
Sergio Martínez plays as a defender for Alfaro. Sergio Martínez has scored 1 goals in 31 professional appearances across 3 clubs. Sergio Martínez brings experience and reliability to the backline with 31 professional appearances under his belt. Among the clubs he has represented — Alfaro, Ibiza Islas Pitiusas, Izarra — Sergio Martínez was most prolific at Ibiza Islas Pitiusas, where he scored 1 goals in 4 appearances.
