Old Trafford officials are currently in the process of appointing a successor to Ole Gunnar Solskjaer, with Ralf Rangnick appearing to temporarily take the job.
As the 63-year-old may take on a behind-the-scenes role next summer , United is already considering long-term alternatives to the German.
While Mauricio Pochettino is the clear favorite, Sporting boss Amorim is also highly regarded by the giants of the Premier League, according to The Telegraph.
The 36-year-old led Sporting Last season not only led to a surprising title in the Primeira Liga, but also led the Portuguese club into the round of 16 of this year’s Champions League.
In total, Amorim has recorded 54 wins and only seven defeats in 73 games, so United are superior must see if they are ready to pay its expensive exit clause in 2022.