Manchester United defender Teden Mengi has penned a new three-year contract.
engi has signed a new deal at the club until June 2024.
The 18-year-old defender made his senior debut in the Europa League last season.
Mengi was promoted to Ole Gunnar Solskjaer's first-team squad at the start of this season.
He joined Wayne Rooney's Derby in January to gain more experience after playing ten times for the Red Devils' Under-23s in the first half of the season.
Mengi has already starred six times for Rooney's Rams.
The young centre-back has been at Old Trafford since the age of seven, coming through the academy and captaining age group sides through the ranks.