A forearm shot to the ribs isn't minimal, but is something that midfielders give and take on the regular. But I understand Argentina's reaction given that it's their goalkeeper collecting the ball in what is a lost cause for Australia. (That play, not the game.)
Forearm shot is hardly what happened. He barely touched him. It wasn’t like the threw an elbow. He was moving forward at minimal speed and made slight contact that happened to be with the elbow.
Really good Marciniak, his imposing personality really shone through in this game. He can maybe hope for another knockout assignment if things fall in his favor.
When the GK is with both arms up in the air catching the ball they are defenseless. It's not a battle, just a free shot. That's why I felt it could be a yellow.
6. Was fine generally, but took some big risks on what should have probably been yellows and that left the game a little sloppier than it had to be.