I'm actually backing a shock 2-1 win for Chile today, and for Colombia to progress 2-0 over Uruguay.
Ty, welcome back! Azeus, I agree - Brazil's defence has been shaky, and could be undone today by Sanchez.
Aaron, I'm going 2-1 Chile and 2-0 Colombia.
Good call Boston - the Barca lads look relaxed in the tunnel, but that'll change in about six minutes!
Boston, it's just me, myself and I today. And you lot, of course.
The teams are out in the sunshine and Chile's national anthem plays - plenty in the crowd sing along, but is that boos as well I hear? I can't quite tell.