| Club | League | Years |
|---|---|---|
| Athletic Club | La Liga | 2013–2016 |
| Leganés | La Liga | 2015–2016 |
| Elche | La Liga | 2016–2017 |
| Racing Santander | La Liga | 2020 |
Only the clubs in the game are in the data; spells at other clubs, loans and youth years may be missing.
Which club pairs is Guillermo Fernández an answer for?
In Who Played Both, if two of these clubs meet, Guillermo Fernández is one of the right answers.
- Athletic Club – Racing Santander 34 players
- Athletic Club – Leganés 16 players
- Athletic Club – Elche 15 players
- Elche – Racing Santander 15 players
- Elche – Leganés 13 players
- Leganés – Racing Santander 11 players
Source: Wikidata (CC0), Wikipedia club articles and player infoboxes (years at each club). Youth spells and appearances that look unplayed are left out; volunteer-kept records can contain gaps or errors.
