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Basic information
- First name (and middle names): Guillermo
- Last name: Fernández Hierro
- Nickname: Guillermo
- Birth date: 23 May 1993 (31 years ago)
- Country: Spain
- Height: 181 cm
- Position: forward
Transfers
| Player (age) | From club | To club | Date | Fee | |||
|---|---|---|---|---|---|---|---|
| Show/hide all additional info | Fees in euro (EUR) | ||||||
| 1 |  Guillermo (23) |  Leganés |  Athletic Bilbao | 2016, Jul | |||
| 2 | Guillermo (22) | Athletic Bilbao | Leganés | 2015, Aug | |||
| 3 | Guillermo (21) | Bilbao Athletic | Athletic Bilbao | 2014, Jul | |||
| 4 | Guillermo (17) | Athletic Bilbao Youth | Bilbao Athletic | 2010, Jul | |||