 Pari gbolohun yii: Ni ọdun 2017, Valdez farahan fun Argentina ni South American U-15 Championship ni Brazil; idije ti wọn ṣẹgun labẹ itọsọna ti Diego Placente. Ni ọdun 2019, a yan Valdez lori atokọ ẹgbẹ iṣaaju nipasẹ Pablo Aimar fun : FIFA U-17 World Cup - bí ó tilẹ jẹ pé kò ṣe àyẹwò ìkẹyìn. 