Lionel Messi remains a doubt for Argentina 's friendly against Ecuador having missed Saturday 's 2-0 win over El Salvador on Saturday . The Barcelona forward was kept on the bench during the victory in Washington and Argentina boss Gerardo Martino has vowed not to risk the 27-year-old . 'The third training day he was unable to wear the right boot , ' Martino told reporters . 'We all understand that the fans had hoped to see him play , but he was really unable . ' Lionel Messi remains a doubt for Argentina 's friendly with Ecuador on Tuesday because of a foot injury . Messi was kept on the bench during Argentina 's 2-0 win over El Salvador on Saturday at FedExField . Messi was forced to watch from the sidelines as Argentina held a training session on Friday in Maryland . 'Leo always tries to play . We 'll wait for his recovery until the last minute before the kick-off , but we wo n't risk him . 'If he remains this way , he wo n't play on Tuesday. ' , . On Monday , Messi welcomed new Argentina team-mate Federico Mancuello to Instagram after posting a photo with the winger to the social media site . Mancuello , who plays his club football for Independiente , scored on his Argentina debut in the win over El Salvador having replaced Angel di Maria in the second half . Messi welcomed new Argentina team-mate Federico Mancuello to Instagram on Monday evening . Mancuello is congratulated after scoring on his Argentina debut during the victory over El Salvador .
Lionel Messi missed Barcelona 's win over El Salvador with a foot injury . Barcelona boss Gerardo Martino insists he wo n't risk the Argentina star . Messi welcomed Federico Mancuello to Instagram on Monday evening .