Lionel Scaloni hopes Lionel Messi can just produce "what he does every Sunday" as Argentina target success at the Copa America this summer.
Argentina will face Nicaragua on Friday in their final friendly before their Copa campaign begins against Colombia on June 15.
Messi is still bidding to win his first senior title with Argentina, and his performances for the national team have often been criticised.
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But Scaloni believes his nation can be successful as a team with a strong team showing and Messi doing what he does regularly for Barcelona.