According to Mundo Deportivo, Guilherme Fernandes's loan to Valladolid last summer contained a purchase option valued at approximately 500,000 euros. This option would have been mandatory had the team been promoted, but this did not occur.

The Portuguese goalkeeper Guilherme Fernandes has joined Real Valladolid on loan from Betis. This marks a new phase for Real Valladolid under the guidance of Uruguayan coach Guillermo Almada. The club announced the arrival of Guilherme Fernandes as part of their strategic moves, which also included the signing of Iván Alejo and the departure of Darwin Machís, signaling a fresh start in this new institutional and sporting era.