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Justin Rose has never finished higher than fifth at the Masters but fancies his chances of doing better this time, possibly even challenging for victory.

Jordan Spieth leads by seven strokes, but Rose said on Saturday: "There's always that 65 out there with an opportunity to make up some ground for the chasing pack. It's a Major Championship and it's never easy playing with the lead."

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I'm hearing that Darren Clarke has just come within two inches of acing the 16th, the old, grey devil. Cabrera, champion in 2009, birdies two to get to four under. I should just tell you that third-round coverage has just kicked in on BBC Two.

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England's Paul Casey (seven under) has returned to form of late and has even won twice since his last tweet. Wonder if he will stay quiet this year if he summons up an almighty comeback to land his first major?

Casey tees off at 19:35, 20 minutes before leader Jordan Spieth.

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Ernie Els has just gone off with Kevin Na, they will be followed onto the first by three-time winner Mickelson and Casey of England. McIlroy makes birdie on eight courtesy of a three-foot putt, the world number one moves to that burgeoning group on five under.

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Another birdie for Scott at three, he joins that group on five under - it's a classy looking leaderboard. Stenson of Sweden in with a 70 for level overall and the joint clubhouse lead.

Snacks bought? Drinks in? Good, then get settled in because full coverage of the third round of the Masters gets under way in five minutes on BBC Two and online.

Jenni in Newtownards: Jordan Spieth needs to collapse if we are to see a contest for the Green Jacket on Sunday evening. He needs to start making bogeys, and a lot of them, but it's hard to see him making one, never mind the 5 or 6 the chasing pack require! If Spieth were to collapse and not win from this position at the halfway point, then we will be talking about this alongside Greg Norman's famous collapse in 1996. The fat lady is getting ready to sing!

Nick Lloyd, Aberdeen: So excited for tonight! Nothing better than a quiet night watching the Masters with a glass of wine! Will be intriguing to see if Spieth has the mentality to pull off another under par round.

With all the moving currently going on around Augusta, whoops and hollers accompanying every great shot, it's hard to imagine the ice-cool Spieth isn't just a tad nervous as he prepares to launch his round at 19:55.

Aussie duo Day and Scott birdie the second, are four under. Mahan gives back a shot at 12 after an errant tee shot, drops back to -2. Woods pars five to stay -5, McIlroy has followed eagle at two with five straight pars.

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Watson would land a third win in seven starts, better than the eight needed by Tiger Woods, Arnold Palmer and Jack Nicklaus, the three most decorated players at Augusta with 14 wins between them.

Never one for the conventional, Watson has started with four birdies in his first seven holes but is only level par for the day after a disastrous triple bogey on the first. Still only on two under for the tournament.

We know Schwartzel can go low around this course - he fired a 66 on the final day in 2011 to win the title. He's had back-to-back birdies at two and three and is now tied for seventh on five under.

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What news of Cameron Tringale, I hear you cry. Well, he's four under today through 16 and two under overall. Mahan moves to -3 with his fourth birdie of the day at 11.

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Fowler has hit a sticky patch, he follows a poor par at 13 with a bogey at 14 to drop to -3. Goblets ahoy! John Senden drains a monster at 13 for the second eagle of the day at that hole, the Aussie moves to +1.

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Schwartzel, the 2011 champion, birdies two for the third day in a row and is in that large group on four under. Bubba Watson is putting together one of the more curious rounds of the week - he's started triple, birdie, birdie, birdie, bogey, birdie. He might even make par in a minute.

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Tiger Woods is three under for the day. Will he make a charge?

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Another birdie for Woods at four, his third in a row, and the four-time champion is now five under and tied for seventh...

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Ian Poulter is on the charge, another birdie for him at 14, he's now five under for the day and four under for the week. Lee Westwood is in with a 70 and has the clubhouse lead at level.

-14 Spieth (US) 19:55 BST

-9 Hoffman (US) 19:55

-7 Rose (Eng), D Johnson (US) both 19:45, P Casey (Eng) 19:35

-6 Mickelson (US) 19:35

-5 Els (SA) 19:25

-4 McIlroy (NI) after 6, Poulter (Eng) 14, Woods (US) 3, Fowler (US) 13

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Sergio, too, birdies three to get back to three under. Hunter Mahan went out in 33, he's two under for the week. Aussie pair Scott and Day have parred the first, remain three under.

Fowler escapes with a par at 13, stays four under. Matsuyama of Japan and Schwartzel of South Africa kick off with pars, stay -3. Another birdie for Woods at three, he's now four under and tied for eighth...