Jose Mourinho plans to bring Atletico Madrid star Griezmann to Manchester United in the summer.
United are prepared to trigger the 25-year-old's £86million release clause.
And the Red Devils have reportedly promised to give the Frenchman the No 7 shirt.
Paul Pogba has described Manchester United target Antoine Griezmann as his brother
Now Pogba has opened up on the close relationship he shares with his international team-mate.
“I always have good times when I'm with Grizou," Pogba told French TV station Telefoot.
"He's my brother, we're always together.
Twitter reacts as Man United increase interest in Antoine Griezmann
Wed, January 18, 2017
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Manchester United fans react as Antoine Griezmann is linked with Old Trafford move
Antoine Griezmann and Paul Pogba are international team-mates with France
He's my brother, we're always together
Manchester United star Paul Pogba
"When you are good off the pitch, you are good on the pitch and that is what happens in the French national team.”
Griezmann has been in fine form for Atletico this season, and already has 13 goals in all competitions for the La Liga club.
Meanwhile, Pogba has impressed in recent weeks after initially struggling at Old Trafford after his world-record £89m move.