The Italian giants fended-off a host of Europe's elite including Man Utd, Chelsea and Arsenal to secure a deal for the youngster who hasn't even reached double figures yet.
Tomaselli has frequently been labelled as the new Lionel Messi, however given he is Belgian - some are saying Eden Hazard is a more appropriate comparison.
His father Pino moved quickly to say that Tomaselli made his own decision.
Belgian prodigy Pietro Tomaselli photographed next to his new Roma team-mates[FACEBOOK/PIETRO TOMASELLI]
They have welcomed him wonderfully well, as if he were better than Maradona
Pietro's father - Pino Tomaselli
He said: "Everyone [already] knows him [at Roma] - he's the mascot already there.
"They have welcomed him wonderfully well, as if he were better than Maradona.
"Roma is like a big family. Anyway, it was Pietro's decision."
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