Argentina goalkeeper Nahuel Guzman told his team-mates they needed to lessen the burden on star Lionel Messi at the World Cup.
Messi, 30, will again lead the South American nation at the showpiece tournament, where they face Iceland, Croatia and Nigeria in Group D.
But the Barcelona forward will be heavily relied upon as he looks for his first senior international trophy.
Guzman, who replaced the injured Sergio Romero in Argentina's squad, said his team-mates needed to ease the pressure on Messi as much as they could.
"Of course Leo is a very important figure to us.