USA started with a bit of fight but it's started turning into a massacre. Australia too good out wide.

Oh dear, could be 80 plus...

Yes, the QFs were always going to be bad for the credibility of the RLWC. Let's hope Samoa v Fiji is a proper match.

This game might put a bit of a dampener on what has been a pretty good WC for USA. I wasn't sure they'd even win a single game.

Lot of people on social media slating the American team and saying Wales or Ireland would who at least put up a fight! This USA team have been very competitive against other minnow teams but anyone expecting a different result today needs their head seeing too. Not great to watch but I hope people don't orget the other performances USA have pur in during the WC. Hope they continue to develop.

Was never going to be other than approaching a point a minute, but I'm still enjoying it.

And yet again Perenara is giving the Aussies the benefit of his calls. Dangerous tackle on Morris? Knock on against USA from the Thurston pass? It's depressingly predictable - the Aussies don't need any help.

But it never ceases to amaze me that professional players think the correct defensive option is ever to run in out of the line! At least 4-5 tries have come from someone shooting out, or even just stepping in a little too much. Hold your line and position and eventually the touchline becomes your best friend. Gaps are much harder to find. The Aussies are far too fast and agile on their feet to risk running in.

Perenara is useless, so is Peterson (USA) winger.

Perenara almost makes you great flu for te super league refs! Been shocking all tournament.

Don't care who you are, that was a pathetic try to concede.

That's probably the worst attempted tackle I've ever seen!

Perenara loves a late whistle doesn't he!?

Good to see Hayne in the side. Too good not to play.

honestly if the USA had a half decent winger against brett morris this scored would halved.

Favourites for tournament beat minnows in the way you'd expect them to. Why is that bad for the credibility of the tournament?

Excellent try though.