Unbelievable. After the garbage Argentina have put out, they'll still have a fair chance at qualification.
This result helps them in more ways than one because Croatia now have something to play for, which is suddenly key. If this game was a draw, Croatia are guaranteed toppers, but now, they have to avoid defeat against Iceland to secure top spot. If they don't, a Nigeria win gives them top spot (and even a Croatia draw could, depending on goal difference). Considering this, you'd expect Croatia to show up and get the result.
So it will come down to a knock out. I don't fancy that. Argentina pissing themselves against Croatia in the second game. Imagine the pressure on Messi in a knockout game.
I don't see Argentina managing a win. In fact, I'd say Nigeria are favorites for that tie, and will probably tear Argentina a new one. This is the worst possible way for Messi to go out; have another shot against Nigeria and get schooled again. That will be painful.