Playing second-fiddle to Gianluigi Buffon, it's probably a safe bet that you're going to learn a few things.
So it proved on Saturday.
Juventus goalkeeper Marco Storari, giving his more illustrious teammate a much-deserved day of rest for the Derby d'Italia against Inter, did Buffon proud with a sleek double save in the second half.
Gianluigi who? (We kid, of course).