Lionel Messi is uncertain for Argentina's Copa America opener against Chile

Argentina boss Tata Martino has told the press that Argentina will make a decision on Lionel Messi's status for their opener against Chile after evaluating his condition in training Sunday.

After injuring his back against Honduras, Messi trained separately from his teammates Saturday, but will take part in normal team activities under the watchful eye of the Biancocelesti staff.

Should Messi be deemed unfit to line up from the start, Benfica winger Nicolas Gaitan will get the nod for Martino's side.

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