Class: HS Senior Hometown: Manati, Puerto Rico Height/Weight: 5-10/175 Born: May 12, 1994 Diaz is the son of former big-league super-utility man Jose Valentin, and spending years by his father’s side in numerous big-league clubhouses has added polish and a certain big-league panache to his game. Playing on the same squad as top draft prospect Carlos Correa, Diaz…