He replaces Erik ten Hag who was sacked last month while Ruud van Nistelrooy will continue to take charge of the first team until Amorim joins.
Ruben Amorim has been announced as the new manager of Manchester United.
This was confirmed by the club on Friday.
However, Amorim will stay at Sporting Lisbon until November 11.
The 39-year-old has signed a contract until June 2027, with the option of a further year, and will take charge of his first United match at Ipswich on November 24.
United have paid Sporting an extra €1m (£840,000) on top of his €10m (£8.4m) exit clause for an early release from his 30-day notice period.
He replaces Erik ten Hag who was sacked last month while Ruud van Nistelrooy will continue to take charge of the first team until Amorim joins.
United host Chelsea on Sunday. It has not yet been decided if Van Nistelrooy will be part of Amorim’s coaching staff.
See post below: