The eastern European side are preparing to play in their first ever match in the tournament but the 59-year-old is adamant that they should not be underestimated
Safet Susic's men are playing in their first ever World Cup as an independent nation and kick their tournament off against the South Americans, who are one of the favourites to win it outright.
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"I do not like the word 'favourite'," Sabella told L'Equipe, "so I leave it to others.
"Today, more and more teams are at the same level in football. More and more, the word 'favourite' loses its meaning. The first match is always very difficult, you play under pressure.
"We are impatiently awaiting the first match. It's an immense joy to be in this group."
Sabella also referenced the immense travelling Argentine support gathering in Rio de Janeiro.
"I want to send a message of thanks and of appreciation to our compatriots who have come to Brazil and we will give our maximum to achieve our aim," he remarked. "When one wears the Argentine shirt, there is a responsibility. One must honour the shirt."