Liverpool midfielder Alexis Mac Allister has posted a picture using an oxygen canister ahead of Argentina's encounter with Bolivia.
Lionel Scaloni's side take on their South American opponents during their World Cup qualification campaign, as the competition holders look to continue their strong start after winning the tournament in December.
Lionel Messi inspired Argentina to end Europe's stranglehold of the World Cup as Argentina won the competition for the first time since 1986. But they're arguably going to face their toughest task on Tuesday when they kick-off at Bolivia's Estadio Hernando Siles in La Paz which is some 11,932 feet above sea level.
For Mac Allister, it is a gruelling encounter just days before he is set to return to Premier League action with Liverpool as they take on Wolverhampton Wanderers on Saturday.
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Argentina landed in Bolivia on Sunday night ahead of their clash with Gustavo Costas' side.
The Reds summer signing took to social media after they arrived to face their South American rivals, initially posting a smiling picture alongside RC Lens defender Facundo Medina before adding a snap inhaling the canister captioned: "Behind the scenes," with a laughing emoji.
La Paz is notorious for its sea level which impacts oxygen levels. In 2017, Liverpool goalkeeper Alisson and his Brazil teammates were forced to wear oxygen masks after their goalless draw against Bolivia.
Neymar described the conditions, at the time, as "inhuman". In a social media post, he said: "Inhuman to play in such conditions, field, altitude, ball .. everything bad.
"But we were
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