Barcelona disseminated a statement on last Friday in the afternoon saying they had signed Antoine after meeting the £108m buyout price that was needed to kill his contract with Atletico Madrid.
However, Atletico Madrid responded by stating that the money was paid but was not enough, claiming that Antoine Griezmann had agreed to move to the Barcelona before July 1, when his £180m buying price was cut down to £108m.
Find more information regarding this matter on https://www.skysports.com/football/news/11833/11761753/antoine-griezmann-to-barcelona-atletico-madrid-dispute-move-over-release-clause