Ruben Amorim looks set to fill Erik ten Hag's seat at Old Trafford after the Dutchman was sacked on Monday.
Amorim, 39, was made the number one target for Man Utd earlier this week and now it seems as though he wants the deal just as much.
According to Sky Sports, Amorim has told his current employers that he wants to leave and take up the job with the Red Devils.
Sporting are also said to believe that Amorim has agreed terms with Man Utd.
United have already agreed to pay the £8.5m release clause to get their man. And could have to pay another £4.1m on top of that to get hold of Amorim's coaching staff too.
The Portuguese giants want extra cash to release three trusted members of Amorim’s backroom staff
The tactician wants to take Sporting’s assistant manager Adelio Candido, assistant coach Carlos Fernandes and goalkeeper coach Jorge Vital with him to Old Trafford.
Man Utd execs are understood to be hopeful that Amorim will be the manager for their clash with Chelsea this weekend.
United play Leicester City in the Carabao Cup tonight, before hosting Chelsea in the Premier League at Old Trafford on Sunday.
However, it's not yet known if Amorim will be in the dugout for the game against the Blues.
The Portuguese gaffer could watch on from the stands while interim boss Ruud van Nistelrooy takes charge in the technical area.
However, reports in Portugal claim that Amorim will complete a 30-day notice period before joining Man Utd.
Portuguese outlet Record have suggested that Amorim will remain as the Sporting boss until the next international break.
That would mean that he is still in charge of the Lisbon club for another three games - including a Champions League clash with Manchester City.
While it would mean his first game as United boss wouldn't come until November 24, when the Red Devils travel to face Ipswich Town.
Amorim was in the dugout for Sporting's 3-1 win over Nacional in the Portuguese league cup quarterfinal last night.
Sporting fans gave their gaffer a mixed reception with supporters split on the rumours of his potential exit from Lisbon.
The tactician headed straight down the tunnel at full-time, not acknowledging the support.
While he refused to open up on his future in his post-match press conference.
He said as cited by Sports Central: "Nothing to say yet, no announcement to make. Now I have nothing to say, we are here carrying out analysis. "Everything I say will only create more noise. There is nothing to say about the matter. There is the statement, everyone knows. It was said by the club. "Besides, we don't know the details for sure. We'll see. It will go through my decision as the statement said. But saying half things now doesn't seem best to me."
