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 won't risk him. 'If he remains this way, he won'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 Argentina's win over El Salvador with a foot injury . Argentina boss Gerardo Martino insists he won't risk the Barcelona star . Messi welcomed Federico Mancuello to Instagram on Monday evening .