SAO PAULO - Lionel Messi's goals have fired Argentina into the World Cup last-16 but they will look for a better all-round performance when they meet Switzerland today.
The diminutive four-time player of the year has finally sparked for his country, hitting four of their six goals as Argentina qualified top of Group F.
But Argentina needed Messi's late winner to overcome Iran 1-0 and they also shipped two goals before beating Nigeria 3-2, lowering expectations of a third world title. They will face their toughest opponents yet in Switzerland, who put seven goals past group opponents Ecuador, France and Honduras, including three from Xherdan Shaqiri.
"Now we can't make any mistakes as any error will see us getting knocked out," Messi warned.