But the first one , as a 19 - year - old teenager , undoubtedly announced Messi 's arrival as a bona fide star .
He has scored two hat - tricks in the eternal grudge match against Real .
The first one , as a 19 - year - old teenager , undoubtedly announced Messi 's arrival as a bona fide star .
He has scored two hat - tricks in the eternal grudge match against Real .