The 33-year old Barcelona defender, who sometimes plays in midfield, said the opportunity to win a major title for his country was one of his last remaining playing ambitions.
Since joining the Catalan giants from Premier League club Liverpool in 2010, Mascherano has been impressive for the Spanish club. From Barcelona they have always told me that they are happy with me.
"I still have a contract with the club, but it's clear that maybe once the season finishes I'll I look at what to do. There will be time to think [about a potential summer move]", Mascherano admitted as quoted by Sport.
"I am trying to battle to win my place - or at least be ready when I am called on".
The Albiceleste entered Tuesday's final round of South American group qualifiers in sixth place, outside the automatic World Cup places, reports Xinhua news agency. When you have better players ahead of you in the pecking order, you accept it and try to turn the situation around. I'm not a player that gets angry, especially not with coaches.
Veteran Argentina midfielder Javier Mascherano said on Thursday he will step down from global duty after the 2018 World Cup.
"My time with the national team will come to an end in Russian Federation and won't go on any further", he said.
"I have a lot of respect for the decision that coaches make".