The World Cup favourites struggled against the group underdogs Iran, before a late Lionel Messi goal helped them claim a 1-0 victory.
Sabella says Wednesday’s test will be even more demanding. “I see a fast team, attacking swiftly, whoever plays, whether it is Musa or Babatunde.
“We know about Emenike and his physical strength and we know that generally, Africans are very fast.
“There are small differences and they have this way of playing that you have to watch. Very strong physically, and perhaps when they get the ball into attack, not very good.”
In the three previous World Cup meetings between the sides, Argentina have emerged victorious, but Sabella says it has not been easy.
“We have seen that many times we play Nigeria it is by one goal and we scored by set pieces.
“They will be a very difficult opponent to play.”
Kick-off is at 1PM local time (5PM Nigeria time).