Barcelona are set to offer Griezmann a staggering five-year deal which will see the Frenchman earning as much as Luis Suarez and only less than Lionel Messi at the Nou Camp.
Griezmann, 26, wants £400,000 a week to reject interest from Barcelona and join United in the summer.
Barcelona are keen to sign Antoine Griezmann and Philippe Coutinho, but will have to trim their wage bill and bolster their transfer kitty before making any moves.
Antoine Griezmann has a €200m release clause in his Atletico Madrid contract until 1 July 2018, after which it will drop to €100m.
Barcelona are keen on signing Antoine Griezmann and Manchester United's decision to end their interest makes the Catalans the favourite.
Atletico Madrid are said to be ready to report Barcelona to Fifa for their overtures towards Antoine Griezmann.
Jordi Alba has encouraged Barcelona to sign Antoine Griezmann from Atletico Madrid ahead of the summer transfer window.
Atletico Madrid president Enrique Cerezo has refused to be drawn on renewed reports linking Antoine Griezmann with a summer move to Barcelona.
Atletico Madrid full-back Sime Vrsaljko could leave Spain in January and reportedly favours a move to Napoli despite Liverpool's interest.
Atletico Madrid were eliminated from the Champions League on Tuesday but Diego Simeone does not believe it will hasten the exit of Antoine Griezmann.
Chelsea manager Antonio Conte has warned that their potential last 16 opponents in the Champions League should be wary of the threat they pose.
Antonio Conte has confirmed that David Luiz will be absent for Chelsea's clash against Atletico Madrid due to a knee injury.
Mesut Ozil, Antoine Griezmann and Philippe Coutinho have all been linked with a move to Barcelona in the last few months. The Brazilian has been a target for Ernesto Valverde's side since the summer.
Antoine Griezmann has not scored a goal in almost two months and has been recently linked with a move to Atletico's La Liga rivals Barcelona.
Barcelona continue to fret over the future of Lionel Messi, who can talk to rival clubs in the New Year when he enters the final six months of his deal.
Ramos was inadvertently kicked in the face by Lucas Hernandez when attempting a header during Real Madrid's goalless draw with Atletico Madrid.
Reports suggest that Antoine Griezmann has reached an agreement in principle with Barcelona, although Enrique Cerezo believes he will remain with Atletico.
Real Madrid right-back Dani Carvajal has confirmed he will be ready to return to action against Atletico Madrid on Saturday.
Barcelona have move a step closer to signing Antoine Griezmann from Atletico Madrid after club reached a verbal agreement with the player.
Ozil, 29, is in the final year of his Arsenal contract, which means he will be free to discuss a Bosman move with foreign clubs from January.
Spanish national team boss Julen Lopetegui has confirmed that Real Madrid star Isco will be fully fit to face Atletico Madrid on Saturday.
The writing is on the wall for Antoine Griezmann as the France and Atletico Madrid positions himself for a summer move, with Manchester United interested.