Player stats against each opponent club
| Team | MP | W | D | L | G | A | ||
|---|---|---|---|---|---|---|---|---|
 Prat | 2 | 1 | 0 | 1 | 0 | 0 | 0 | 0 |
 L'Hospitalet | 2 | 0 | 1 | 1 | 0 | 0 | 2 | 0 |
 Poggibonsi | 2 | 0 | 1 | 1 | 0 | 0 | 0 | 0 |
 Amiternina | 2 | 0 | 1 | 1 | 0 | 0 | 0 | 0 |
 Olympia Agnonese | 2 | 1 | 0 | 1 | 0 | 0 | 0 | 0 |
 Folgore Veregra | 2 | 1 | 1 | 0 | 0 | 0 | 0 | 0 |
 Manresa | 2 | 0 | 0 | 2 | 0 | 0 | 0 | 0 |
 Grama | 2 | 0 | 2 | 0 | 0 | 0 | 1 | 0 |
 Girona II | 2 | 1 | 0 | 1 | 0 | 0 | 1 | 0 |
 Reddis | 2 | 1 | 0 | 1 | 0 | 0 | 1 | 0 |
 Real Oviedo | 1 | 0 | 1 | 0 | 0 | 0 | 1 | 0 |
 Reus Deportiu | 1 | 0 | 0 | 1 | 0 | 0 | 1 | 0 |
 Ontinyent | 1 | 0 | 0 | 1 | 0 | 0 | 1 | 0 |
 Europa | 1 | 1 | 0 | 0 | 0 | 0 | 0 | 0 |
 Badalona | 1 | 0 | 0 | 1 | 0 | 0 | 0 | 0 |
 Olímpic de Xàtiva | 1 | 0 | 1 | 0 | 0 | 0 | 0 | 0 |
 Sant Andreu | 1 | 0 | 0 | 1 | 0 | 0 | 0 | 0 |
 Sambenedettese | 1 | 0 | 1 | 0 | 0 | 0 | 0 | 0 |
 Pobla Mafumet | 1 | 1 | 0 | 0 | 0 | 0 | 1 | 0 |
 Lleida Esportiu | 1 | 0 | 0 | 1 | 0 | 0 | 0 | 0 |
Óscar Sierra plays as a defender for Montañesa. Óscar Sierra has scored 19 goals in 330 professional appearances across 7 clubs. Óscar Sierra brings experience and reliability to the backline with 330 professional appearances under his belt. Among the clubs he has represented — Montañesa, San Cristobal, Vilafranca, L'Hospitalet — Óscar Sierra was most prolific at Prat, where he scored 6 goals in 113 appearances. Óscar Sierra stands 175 cm tall, weighs 66 kg.
