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The 17-year-old is now firmly one of the first names on the teamsheet for the Blaugrana and notched his side's second goal in the 5-1 thumping to kick off their Champions League group campaign.
Frenkie De Jong played him in behind with a gloriously lobbed pass and the Spain international timed his run perfectly before volleying home.
The first-time technique of cutting across the ball was very aesthetically pleasing indeed and saw Fati become the youngest player to score two goals in Europe's premier club competition.
Lionel Messi, Philippe Coutinho and Ousmane Dembele were all on the scoresheet, as was another 17-year old in Pedri, who scored his first goal for the club.
Special talent Fatu was fast-tracked into Barca's first-team last season and became the club's youngest ever goalscorer when he struck against Getafe.
His appearance against Borussia Dortmund saw him make history as the club's youngest ever Champions League player aged just 16.
Incredibly, he's so young that Barcelona had to ask his parents' permission for him to make his debut against Real Betis last term because of La Liga's restrictions on under age players appearing in night games.
He also had a brief spell out with growing pains as part of his progression through puberty but his development on the pitch has been nothing short of sensational.
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