The Red Devils closed the gap behind Manchester City to 12 points with a comfortable 3-0 win over Stoke this evening.
Goals from Antonio Valencia, Anthony Martial and Romelu Lukaku sealed all three points for the home side.
There may be a new goalscoring hero at Old Trafford in the coming weeks, as Sanchez nears his move to the club.
However, reports tonight suggest Chelsea have joined the hunt for the Arsenal wantaway.
But after the game, Mourinho insisted he wasn't sure about other clubs' interest.
"I have no idea," he said.
How Manchester United’s starting XI could look with Alexis Sanchez
GETTY
“No news on Alexis Sanchez”
Jose Mourinho
"Probably there are other clubs also interested.
"No news on Alexis Sanchez, he is an Arsenal player, if he stays it's great for Arsenal, if he comes to us, great for us, if he goes to another club, great for them."
And Mourinho insists he is not getting his hopes up after United closed the gap on their rivals.
"Stoke bought players to play football, they were not afraid to play and they created us problems in the first half," he continued.
"I didn't watch Liverpool beat Manchester City, it doesn't change anything.
Getty
Getty
"The distance is an important distance, I have been there before.
"They have their destiny in their hands."
United star Henrikh Mkhitaryan was left out of the squad this evening as speculation continues over his part in any deal for Sanchez.
Before the game, Mourinho admitted the Armenian had been omitted from the squad due to the ongoing talk about his future.