CIES: Athletic Club, Top 5 club with the most minutes played by club-trained players in 2021-22
Athletic Club Bilbao (LaLiga Santander) is the European Top 5 (Germany, England, Spain, France and Italy) club with the highest percentage of minutes played by players trained at the club since the start of the 2021-22 season, according to the CIES Football Observatory's "Weekly Post", published…