When the news first come of him to join Barca maybe about 2 months past, the rumours was Messi and some of the other players speak to Barca and say they do not want him in the club because apparent Greizmann insult Barca players in the past or something. Im not 100% sure of what was said or anything but it was rumour something like that. If he sign with Barca then is just dickhead player sign with dickhead club.