Despite still being in contention to win the treble, all is not well at Barcelona.
The La Liga holders are currently three points behind rivals Real Madrid in the race for the title and have played one game more.
And their hopes of winning the Champions League are in limbo with the Catalan giants trailing 3-0 to Juventus from the first leg.
Lionel Messi wants Barcelona to sign a new striker Barcelona wages revealed: Which stars earn most? Fri, March 24, 2017
Click to reveal every Barcelona player's weekly wages, according to Totalsportek.com
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Click to reveal every Barcelona player's weekly wages
Messi has expressed concerns about the current Barcelona squad, with reports claiming he wants flop signing Paco Alcacer sold in the summer.
The 29-year-old suposedly wants the club to sign a world-class centre-forward to replace him.
And Spanish outlet Diario Gol claim Griezmann is the Argentina international's No 1 choice to come in.
Express Sport understands the France international is Manchester United's chief transfer target for the summer with Jose Mourinho desperate to snap him up.
Antoine Griezmann is wanted by Manchester United boss Jose Mourinho
The 26-year-old could replace Zlatan Ibrahimovic, whose Old Trafford future beyond the current campaign is uncertain.
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Messi and other Barcelona heavyweights have all agreed he would be the ideal signing – even more so than Juventus' Paulo Dybala.
However, that could change should Dybala, who signed a new contract at Juventus last week, knock them out of the Champions League on Wednesday night.