Scotland break!

After Australia go on a brief attack, the hosts dart up the left with late replacement Byron McGuigan doing a lot of the leg work.

It comes to nothing but Scotland continue to make some progress in territory.

A huge maul - driven for maybe 30 or 40 metres - from Scotland gets the crowd roaring again.

They cut across to the left with some quick hands but Huw Jones' offload to Ali Price is fumbled.

It was lovely play before that, though.

Scotland attempt to kick to the corner to make some ground but it falls the wrong side of the corner flag.

Scrum, instead, on the 10m line.

Image source, Getty Images

Chris Paterson
Former Scotland international on BBC One

Brilliant defence from Scotland. Chopped tackles and superb timing from Stuart McInally to keep Australia out.

Scotland give possession away and Australia push forward again, this time making it over the 22 line.

The hosts' defence scramble and stand their ground as the Wallabies continue their relentless onslaught.

Eventually, the Scottish defence are rewarded and get the penalty, which Finn Russell kicks clear.

A big cheer from the home crowd.

Just under 30 minutes to go until our second kick-off of the day.

England are looking to round off 2017 with just the one defeat - their loss to Ireland in the Six Nations.

Samoa, meanwhile, are looking for their first Test victory of the year.

Twickenham is set.

Image source, BBC Sport

Australia make a bright start and earn a penalty as Ryan Wilson, the Scotland number eight, fails to release.

It's a long one - about 47m out. Reece Hodge is a long-range specalist, though.

The distance is good but not the angle. No points.

Andy Nicol
Former Scotland international on BBC One

Today for Scotland is about replicating the performance from June. They have to be at the same level of quality and if they do then they've got a really good chance.

Off we go!

Do you know what we love?? A capella national anthems.

The Murrayfield crowd just did a wonderful rendition. Full of gusto.

Image source, Reuters

Chris Paterson
Former Scotland international on BBC One

He's a huge loss but what an opportunity for Byron McGuigan. He's been playing well for Sale Sharks and will be excited about playing. No-one in the world can replace Stuart Hogg but all of Scotland's players will need to step up. The Australian wingers will try to take advantage of Hogg being out and hit them hard down the flanks.

Captain Dylan Hartley is on the bench, with Jamie George in his place at hooker.

George is one of two starting debutants alongside Exeter number eight Sam Simmonds.

George Ford and Chris Robshaw are named co-captains.

Samoa have included seven English-based players in their starting XV: Northampton's Ahsee Tuala, Gloucester's Motu Matu'u, Sale's TJ Ioane, and the Bristol quartet of David Lemi, Alapati Leiua, Jack Lam and captain Chris Vui.

England: Brown; May, Slade, Lozowski, Daly; Ford (C), Care; Genge, George, Cole; Launchbury, Ewels; Itoje, Robshaw (C), Simmonds

Replacements: Hartley, Marler, Williams, Isiekwe, Lawes, Youngs, Francis, Rokoduguni.

Samoa: Tuala; Perez, Fonotia, Leiua, Lemi; Nanai-Williams, Polataivao; Lay, Matu'u, Brighouse; Tyrell, Vui (C); Faasalele, Ioane, Lam

Replacements: Leiataua, Lay, Sasagi, Lemalu, Treviranus, Matavao, Lee-Lo, Taulagi

Image source, Getty Images

Those updated teams in full for you as Stuart Hogg is out:

Scotland: Maitland; Seymour, H Jones, Horne, McGuigan; Russell, Price; Marfo, McInally, Berghan, Gilchrist, J Gray, Barclay, Wilson, Watson .

Replacements: Brown, Bhatti, Z Fagerson, Toolis, Du Preez, Pyrgos, Burleigh, Jackson.

Australia: Beale; Koroibete, Kuridrani, Kerevi, Hodge; Foley, Genia; Sio, Moore, Kepu; Simmons, Enever; McCalman, Hooper (c), McMahon.

Replacements: Polota-Nau, Faulkner, Tupou, Tui, Timani, Phipps, Hunt, Speight.

It's confirmed. Stuart Hogg is out.

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John Fell:@GabbyLogan, external and @AndyNic9, external wt the gloves on BBC One, Jason White without the gloves - the difference between forwards & backs right there!!

Andy Nicol
Former Scotland international on BBC One

Stuart Hogg is a guy who captures the imagination and to be without him today will be difficult. He's probably Scotland's best player and in the form of his life. What a shame not to see the match-up of Hogg and Australia full-back Kurtley Beale.

The scoreboard at Murrayfield appears to have confirmed that Stuart Hogg has been ruled out.

BBC pundit Andy Nicol suggests Sean Maitland has switched to full-back for Scotland and Byron McGuigan moves up from the bench to the 11 shirt.

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Australia attack coach Stephen Larkham speaking on BBC One: "There was a lot of disappointment from that game against England - especially in the last 10 minutes. We've spoken about it earlier in the week but now we are focused on the game-plan against Scotland.

"Over the last three or four years, every game has been tight. It's been pleasing to see. They're the best team in the world at the breakdown at the moment. They came out in June and upset us at home."

Scotland coach Gregor Townsend has made five changes to the side that lost against New Zealand at Murrayfield last week.

Simon Berghan, Grant Gilchrist, Peter Horne, Sean Maitland and Ryan Wilson all come into the side.

But will Townsend now have to make another one with Stuart Hogg apparently injured during the warm-up?

For Australia, it's time to say goodbye to veteran hooker Stephen Moore, who bows out of rugby as the Wallabies second most-capped player with 129 appearances.

Scotland: Hogg, Seymour, H Jones, Horne, Maitland, Russell, Price, Marfo, McInally , Berghan, Gilchrist, J Gray, Barclay, Wilson, Watson .

Replacements: Brown, Bhatti, Z Fagerson, Toolis, Du Preez, Pyrgos, Burleigh, McGuigan.

Australia: Beale; Koroibete, Kuridrani, Kerevi, Hodge; Foley, Genia; Sio, Moore, Kepu; Simmons, Enever; McCalman, Hooper (c), McMahon.

Replacements: Polota-Nau, Faulkner, Tupou, Tui, Timani, Phipps, Hunt, Speight.

Image source, Getty Images