Argentina coach Gerardo Martino says Manchester United winger Angel di Maria retains his confidence.

The Argentine has struggled in his first season in England and was left on the bench for Sunday's 1-1 draw with Arsenal.

But Martino says: "Some players who have difficulties in their club, you just know they will feel happier in the national team.

"That's what I did with Di María.

"I think he is rather happy and will be decisive, as he was with Benfica and Real Madrid.

"I don't think his current situation affects his chances of playing in the Copa América."