The Portuguese boss is prepared to trigger the 25-year-old's £86million release clause to bring him to United.
Man United target Antoine Griezmann insists he is happy at Atletico Madrid
But Atletico want to keep the France star ahead of their move to their new stadium next season.
Barcelona, Chelsea, Real Madrid and Paris Saint-Germain are also interested in a move or the 26-year-old.
However, Griezmann insists he is happy at Atletico.
How Man United could look with Antoine Griezmann
Thu, March 23, 2017
Is this how Manchester United's squad could look with Antoine Griezmann
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Is this how Manchester United could look with Antoine Griezmann
“My future? I only care about what happens on the pitch,” Griezmann told French TV Station Telefoot.
“I am happy in Madrid.