Brett's right, they need to stretch the flanks to open up space in the middle.
Ashkan Dejagah with a good challenge on Lionel Messi here - great work so far by Iran, and we're 20 minutes in.
Great save by Alireza Haghighi!
Higuain takes possession in the box and passes out to Sergio Aguero, whose curling effort is brilliantly tipped away by Alireza Haghighi.
He's looking for space - nice touches, but nothing integral so far.
sidekick, they've looked dangerous from set pieces, so if they defend well and are clever with the ball, then there's every chance.
Close for Marcos Rojo! The defender meets the cross and heads just wide of the post.
I believe that honour belongs to Australia, Purple.
Argentina with more than 100 completed passes than Iran (152-24). Iran completing only 55% of its passes thus far.
Brian, they're doing as well as they can. Carlos Queiroz has drilled them well, and it's up to other sides to try and break them down.