| Season | League | Apps | Min | Goals | Assists | G+A / 90 | Rating |
|---|---|---|---|---|---|---|---|
| 2005/2006 | La Liga | 24 | 1079 | 3 | 0 | 0.25 | — |
| 2006/2007 | La Liga | 1 | 24 | 0 | 0 | — | — |
| 2007/2008 | La Liga | 7 | 247 | 1 | 0 | 0.36 | — |
| 2008/2009 | La Liga 2 (Spain) | 41 | — | 14 | 0 | — | — |
| 2009/2010 | La Liga 2 (Spain) | 41 | — | 13 | 0 | — | — |
| 2010/2011 | La Liga 2 (Spain) | 41 | — | 26 | 0 | — | — |
| 2011/2012 | La Liga | 34 | 2961 | 16 | 7 | 0.7 | — |
| 2012/2013 | La Liga | 34 | — | 17 | 6 | — | — |
| 2013/2014 | La Liga | 25 | — | 10 | 1 | — | — |
| 2014/2015 | La Liga 2 (Spain) | 42 | 3713 | 32 | 0 | 0.78 | — |
| 2015/2016 | La Liga | 38 | 3378 | 19 | 4 | 0.61 | — |
| 2016/2017 | La Liga | 35 | 2782 | 13 | 3 | 0.52 | — |
| 2017 | Torneo Federal B - Pampeana Norte | 21 | 1677 | 9 | 0 | 0.48 | — |
| 2017 | Super League (China) | 7 | 630 | 2 | 0 | 0.29 | — |
| 2017/2018 | La Liga | 10 | 354 | 1 | 1 | 0.51 | — |
| 2018/2019 | La Liga 2 (Spain) | 41 | 3352 | 16 | 3 | 0.51 | — |
| 2019/2020 | La Liga 2 (Spain) | 24 | 1832 | 15 | 1 | 0.79 | 7.06 |
| 2021/2022 | La Liga 2 (Spain) | 40 | 3127 | 17 | 5 | 0.63 | 7.24 |
| 2022/2023 | La Liga 2 (Spain) | 41 | 2924 | 10 | 4 | 0.43 | 6.86 |
Domestic league competitions only (SportMonks sub_type='domestic'); national-team, continental and cup competitions are excluded. Classification resolved by league id against the canonical leagues index. G+A/90 computed from minutes actually played.
Figures computed from the GioScore season-stats database · as of 2026-07-24
Player stats against each opponent club
| Team | MP | W | D | L | G | A | ||
|---|---|---|---|---|---|---|---|---|
 Sporting Gijón | 19 | 6 | 7 | 6 | 4 | 1 | 0 | 0 |
 Málaga | 17 | 8 | 6 | 3 | 5 | 0 | 0 | 0 |
 Las Palmas | 17 | 7 | 3 | 7 | 4 | 1 | 0 | 0 |
 Sevilla | 16 | 4 | 4 | 8 | 2 | 0 | 3 | 0 |
 Granada | 15 | 4 | 5 | 6 | 8 | 2 | 0 | 0 |
 Celta de Vigo | 13 | 3 | 6 | 4 | 6 | 1 | 4 | 0 |
 Real Sociedad | 13 | 2 | 4 | 7 | 5 | 1 | 1 | 0 |
 Tenerife | 13 | 3 | 6 | 4 | 5 | 0 | 0 | 0 |
 Albacete | 13 | 3 | 4 | 6 | 5 | 0 | 0 | 0 |
 Real Zaragoza | 13 | 7 | 6 | 0 | 9 | 5 | 3 | 0 |
 Rayo Vallecano | 12 | 2 | 5 | 5 | 8 | 1 | 0 | 0 |
 Osasuna | 12 | 6 | 1 | 5 | 6 | 1 | 0 | 0 |
 Espanyol | 12 | 5 | 1 | 6 | 6 | 1 | 0 | 0 |
 Almería | 12 | 3 | 2 | 7 | 5 | 0 | 1 | 0 |
 Leganés | 12 | 4 | 2 | 6 | 5 | 0 | 0 | 0 |
 Athletic Club | 12 | 5 | 1 | 6 | 8 | 0 | 4 | 0 |
 Valencia | 11 | 4 | 2 | 5 | 5 | 0 | 1 | 0 |
 Girona | 11 | 5 | 3 | 3 | 5 | 0 | 0 | 0 |
 Alcorcón | 11 | 4 | 5 | 2 | 4 | 0 | 0 | 0 |
 Levante | 11 | 5 | 3 | 3 | 4 | 1 | 0 | 0 |
In the 2022/2023 La Liga 2 (Spain), Rubén Castro made 41 appearances (2,924 minutes), with 10 goals and 4 assists — 0.43 goal involvements per 90. GioScore's computed rating for the season averages 6.86.
No season rated higher than 2021/2022 (7.24, La Liga 2 (Spain)); none lower than 2022/2023 (6.86).
