Valentin Barco is a Blue! Let's take a unique look back through his career so far through a selection of special pictures.
Barco may only be 22 years old, but the Argentina international has already built an impressive CV, from scoring on the international stage to helping his club sides make deep runs in European competition.
It's time to take a look through some of the standout images from his journey so far and get to know our latest signing.
Welcome to Chelsea, Valentin!