The defender Jesús Areso, the midfielders Unai Vencedor and Oier Zarraga, and the winger Jon Morcillo are the players of the subsidiary that will make the preseason with Athletic Club for the first time.
Jesús Areso (21), from Navarra, is a very powerful back with a great career, who despite his youth has already accumulated three seasons in the subsidiary, with 79 matches of experience.
Unai Vencedor (19), from Bilbao, is the youngest member of the team and has already made his debut with the first team, against Osasuna. With 63 games in the subsidiary in two seasons and five goals, he stands out for his positioning, organization of the game and set-piece.
Oier Zarraga (21), from Getxo, has been with Athletic all his life, since he was a youngster. He is a technically skilled midfielder with a lot of power. He has been essential for Joseba Etxeberria, playing 29 games in his first year in the subsidiary and scoring five goals.
For his part, Amorebieta’s left-handed winger, Jon Morcillo (21), has been one of the revelations of the season, which has led Athletic to sign him from the first team. In his second season in the subsidiary, he has scored ten goals in 29, adding to the only one scored in 15 games the previous season.
Valverde: "Real Sociedad were more clinical"
First Team
The gaffer insisted the derby was more even than the 3-0 scoreline suggests
Work plan until October 8
First Team
Athletic's men's first team will follow the below schedule until October 8
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Tough defeat at the Reale Arena
First Team
Athletic were punished for their lack of precision in both boxes
Match Pack: Real Sociedad vs Athletic Club (LaLiga MD8)
First Team
Everything you need to know between Saturday's derby between Donostiarras and Bilbainos at the Reale Arena
Unai Gómez medical report
Lezama
The midfielder is unavailable for the upcoming match against Real Sociedad
Squad List: Real Sociedad vs Athletic Club (LaLiga MD8)
First Team
Ernesto Valverde has named a 21-man squad for Saturday's Basque Derby at the Reale Arena
Valverde: "In my opinion, it's the best derby in LaLiga"
First Team
The boss spoke about the great atmosphere at Basque Derby matches where the football always come first
Global TV Guide: Real Sociedad vs Athletic Club (LaLiga MD8)
First Team
Make sure you don't miss Saturday's Basque Derby, no matter where you are
Athletic Under-21s draw against Crystal Palace
Lezama
Carlos Gurpegui's side drew 1-1 in London in the first of four matches against English teams in the Premier League International Cup
Valverde: “It was a hard-fought match, as we expected"
First Team
The gaffer admitted he "would have liked to have won, but the sending off and the circumstances of the match have had a big impact"