Discussing the criticism Messi has faced in recent days, Sampaoli added: "It's what I always say: when you score in the Argentina shirt, we all take credit, but when Argentina lose, it's all Leo's fault".
While Cuccittini supports her son's quest to win a World Cup, the criticisms he receives deeply affects both him and his entire family.
I hope our Lions were watching as Iceland drew in their World Cup opening match with Argentina (Messi messes up as Iceland roar in draw; June 17). "But if Messi doesn't perform they lack any other solution", said Kempes. "He more than anyone would give everything for this to be his World Cup".
Argentina's coach urged fans on Wednesday to stop blaming Lionel Messi when games do not go to script and instead appreciate all their captain has done for the national side over the years.
"They are a physically strong team, very tall players, that's their weapon and we played against France and they have more quality and creativity in their players, but I think the Danish are maybe more a team".
"As for the joy of the people, I have never seen so much, they all danced, shouted, sang. I told him to do what he knows best, to enjoy himself and I've told him all his family are supporting him".
Considered by many as the greatest player in history, Messi has achieved everything possible at Barcelona but only has an Olympic medal for his efforts with his country.
Previously, he threatened he wanted retire from worldwide football in June 2016 after the Copa America final loss to Chile, but later made a U-turn claiming it was a "heat-of-the-moment" decision. We can all miss a penalty.
"We have the bitterness of not being able to take the three points that we deserved". We will try to pass this quickly, " said the five-time Ballon d'Or victor.
Meanwhile, Argentina defender Gabriel Mercado said Messi is excited about the Group D game against Croatia on Thursday.