The 19-year-old celebrated his new contract by looking focused in United practice.
The midfielder is a man with potential, a future. Is he good enough to break into the United first team in the coming seasons? That remains to be seen.
But a club like Manchester United don't invest such faith in youngsters for no reason. There have been the odd exceptions, granted, that haven't quite come good at Old Trafford.
United, however, have somewhat of a good track record when it comes to spotting talent.
Is Pereira the next in a long line of stars to break through? He'll certainly have plenty of competition at Manchester United, with plenty to prove.
But the 19-year-old looked sharp and focused in United first-team training, as he mixed it with the rest of Louis van Gaal's charges.
What better way to celebrate a new deal than to get stuck in and prove yourself in training? Whether Pereira will get the same chances in terms of game time is perhaps a different prospect, though, with Manchester United not yet having secured a top-four finish...