winger has signed a new contract that will keep him at Old Trafford until 2028.
The Argentine has enjoyed a breakthrough campaign for United this term, scoring five times.
Alejandro, still just 18, has already made 31 senior appearances for the club.
The winger joined United from in 2020 for a fee in the region of £300,000.
Garnacho’s previous deal was due to expire in 2024 and he has attracted interest from clubs across Europe, including Real Madrid and Juventus.
But, in a coup for Erik ten Hag, Garnacho has committed his future to the Theatre of Dreams.
‘When I joined this incredible club, I dreamt of achieving my debut, playing at Old Trafford, scoring my first goal and winning trophies with this badge on my chest,’ said the teenager.
‘I feel very proud and emotional to have experienced these moments already, together with my family who have supported me every step of the way
‘We are all humbled to have this chance to continue our journey at Manchester United and I have already begun to work on achieving the next set of targets and ambitions.
‘The manager and his coaching staff have helped me to improve in every way, and with their support, I am developing each day to help the team to be successful.
‘I am relishing the future and can’t wait to create more special memories with this group, in front of our amazing supporters.’
Garnacho has missed the last six weeks with an ankle injury.
But Ten Hag says the winger is nearing a return after he was able to participate in training on Friday afternoon.
‘Yes [he is closer to being back],’ said Ten Hag.
‘He will return tomorrow [Friday] in the team training part and then we have to see when he can return totally in the team training and then back into games.”
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