Wales and Scotland will be looking for their first wins of the 2016 Six Nations under the closed roof at the Principality Stadium when they clash on Saturday. Wales battled back from 13-0 down to draw 16-16 with Ireland at the Aviva Stadium while Scotland were disappointing in their 15-9 loss at home to England.Scotland were not awful against England and at times did put them under pressure, however they could not find the cutting edge to make it count. They have only won four out of their last 26 Six Nations games and that does not look likely to improve as they head down to Cardiff. Wales will be disappointed with the draw against Ireland - they started off far too slowly but showed plenty of character to fight back. They certainly had their chances against Ireland but their execution let them down and they will be relishing the chance to make amends against Scotland.We look at five key talking points ahead of Saturdays clash...Biggar is back Wales fly-half Dan Biggar has recovered from his ankle injury Dan Biggar limped off against Ireland but has recovered from that ankle injury and has been named in the No 10 jersey. Rhys Priestland did a great job for Wales when he came on but Biggar will be keen to assert himself against Scotland.His boot will play a key role in keeping the scoreboard ticking over and kicking for territory. It will be interesting to see if Wales stick with their desire to play more rugby out wide - if so then Biggars playmaking skills will also need to be spot on.Warren Gatland has admitted that perhaps they played too laterally last time out and we could see Biggar sending the likes of Jonathan Davies and Jamie Roberts on a more direct approach.History against Scots Alex Payne gives you his top betting tips ahead of the clash between Wales and Scotland Scotland have won just one of their last 13 matches with Wales - that victory coming back in 2007 when Chris Patterson kicked seven penalties for a 21-9 win at Murrayfield. The chances of Scotland defying the odds in Cardiff on Saturday are slim and while former Scotland scrum-half Rory Lawson is hoping for the win, he says the performance is the most important thing on Saturday.He said: This is a huge game for Scotland. A lot of people wont be expecting Scotland to go down there and come away with anything but within this group there is a great challenge.A big performance against a Welsh side who themselves will be frustrated with their draw against Ireland will be a big measure as to where Scotland are. Im hoping for a win but the performance has to be there to even be in the hunt for that.Centre bearings Scotlands Duncan Taylor is tackled by Englands George Kruis Scotland have made one change with Duncan Taylor coming in at inside centre for the injured Matt Scott. Taylor is used to winning with Saracens and Scotland will be hoping that some of that will rub off.His defence is also pretty solid and it will need to be against Jonathan Davies and Jamie Roberts. Roberts got a lot of headlines for his defensive work against Ireland but Davies was just as impressive with some big tackles of his own and some lovely deft touches from hand and boot. Scotland are a side that we have a good record against in recent times, but weve had to work hard to attain that record. Jonathan Davies Davies wins his 50th cap on Saturday and is hoping for a better start and a better result against Scotland.Execution against Ireland let us down towards the end but its a result we cant change so our focus has now shifted to Scotland, said Davies in his column for Sky Sports.Scotland are a side that we have a good record against in recent times, but weve had to work hard to attain that record. They have improved immensely under Vern Cotter, so we know we have to work even harder to come away with another win.Possession, Possession, Possession Flanker John Hardie will be key for Scotland at the breakdown Scotland are not blessed with any real cutting edge on attack apart from full-back Stuart Hogg. Their aim will be to control possession and work through the phases, hoping that Wales make a defensive slip or give away a penalty.The key man for the Scots will be John Hardie, who was excellent at the breakdown against England and will once again be called upon to take control alongside John Barclay. Like Scotland, Wales have also opted for two openside flankers in Justin Tipuric and Sam Warburton.Against Ireland, referee Jerome Garces barely penalised the breakdown but referee George Clancy is much more of a stickler in this area and it should be fiercely contested. Throw in two big rampaging No 8s in David Denton and Taulupe Faletau and we are in for a titanic battle.North dilemma Is George North looking for too much work? As already mentioned, it will be interesting to see if Wales persist with their desire to attack the outside. They are still trying to get their new style of play going, however their desire to play a bit more rugby is not quite working at the moment.Wales did not make too many line breaks against Ireland but they did manage to get the ball wide and on the outside of five or six times, but could not make it count.We created the opportunities, we just have to let the ball go and finish them, said Wales skipper Alun Wyn Jones. But you could see a definite shift in the attempt to play that way and finish those opportunities.However, former Wales winger Ieuan Evans believes the pressure on George North to break his try drought is creating a dilemma in attack. North has not scored a try in the last five Tests and his desire to look for more work is at odds with this new style of play.Wales have tasked George North with finding more work, but the problem with looking for more work is that you are often in the wrong areas, explained Evans on the Sky Sports rugby podcast.If North had held his width a couple of times instead of coming in to look for work, then he would have got the ball when Wales went wide instead of second rowers or props.Wales: 15 Liam Williams, 14 George North, 13 Jonathan Davies, 12 Jamie Roberts, 11 Tom James, 10 Dan Biggar, 9 Gareth Davies; 1 Rob Evans, 2 Scott Baldwin, 3 Samson Lee, 4 Luke Charteris, 5 Alun Wyn Jones, 6 Sam Warburton (c), 7 Justin Tipuric, 8 Taulupe Faletau.Replacements: 16 Ken Owens, 17 Gethin Jenkins, 18 Tomas Francis, 19 Bradley Davies, 20 Dan Lydiate, 21 Lloyd Williams, 22 Rhys Priestland, 23 Gareth Anscombe.Scotland: 15 Stuart Hogg, 14 Sean Maitland, 13 Mark Bennett, 12 Duncan Taylor, 11 Tommy Seymour, 10 Finn Russell, 9 Greig Laidlaw (c); 1 Alasdair Dickinson, 2 Ross Ford, 3 Willem Nel, 4 Richie Gray, 5 Jonny Gray, 6 John Barclay, 7 John Hardie, 8 David Denton.Replacements: 16 Stuart McInally, 17 Gordon Reid, 18 Zander Fagerson, 19 Tim Swinson, 20 Blair Cowan, 21 Sam Hidalgo-Clyne, 22 Duncan Weir, 23 Sean Lamont. Air Jordan 4 Canada Free Shipping . -- Kyrie Irvings last-minute 3-pointer helped seal another victory for Cleveland -- and the Cavaliers longest winning streak since LeBron James left. Wholesale Air Jordan 4 Canada .J. -- Pitcher Carl Pavano is retiring after 14 major league seasons. http://www.airjordan4canada.com/ . But Bourque, who has missed three games with a lower-body injury, wont be in the lineup when the Habs travel to Buffalo to take on the Sabres on Wednesday. Cheap Air Jordan 4 Canada . PETERSBURG, Fla. Air Jordan 4 Cheap Canada . The visitors took a deserved lead in the 16th minute with midfielder Yohan Cabaye curling the ball beyond Adrian from inside the penalty area. To evolve is a good thing. Had humans not evolved from apes, none of us would be here. There would have been no Leonardo da Vinci, no Shakespeare, no exploration of our galaxy beyond Earth. There would also have been no Keeping up with the Kardashians, but you cant win them all. On the whole, survival of the fittest gets the job done.So it is in cricket too. From slow under-arm bowling in the 19th century to Malcolm Marshall and Michael Holding in the 1970s, from timeless Tests through one-day internationals to Twenty20, the game has evolved, and survived. And 26,343 people watched it continue to evolve on Thursday, the first day and night of pink-ball Test cricket at the Gabba.Evolution was evident also in the players. Six years ago at the home of cricket, Steven Smith made his Test debut against this same opposition. Back then he played as a legspinner and batted at No.8. Only Azhar Ali and Mohammad Amir remain from the Pakistan XI that faced Smith in his first Test at Lords, and on the first day in Brisbane they saw him complete his 16th Test century.Smith is the No.1-ranked batsman in Test cricket, and now the owner of a Test hundred against every opposition except those that he hasnt met - Bangladesh and Zimbabwe. He had some good fortune - dropped on 53, caught behind on 97, though Pakistan failed to appeal - but good fortune does not account for 4421 Test runs at an average of 58.94.When he started, Smith had more moving parts than a one-man band. He has tightened his technique considerably, and now relies as much on his brain as his eye. As a batsman he is a great success. As a captain, his evolution continues. His task is to lead Australia out of their recent dark age and into a renaissance.He must do so with a new-look team. Five changes in last months Adelaide Test represented an evolutionary jump, and Australia continued with that group in Brisbane - the first time in more than a year that they had used the same XI in consecutive Tests. Of the three Adelaide debutants, only Nic Maddinson is yet to prove himself at Test level. His chance will come on day two in Brisbane.Peter Handscomb impressed with a half-century in Adelaide and brought up another at the Gabba. Brad Haddin recently observed that while coaching Handscomb with Australia A this year, the batsman asked to be taken out of his comfort zone with difficult net drills. Handscomb actively seeks to evolve as a batsman, and in consequence is hard to fluster at the crease.By stumps, Handscomb was on 64 and had combined with Smith for a 137-run partnership. He had built significantlly on the work done by fellow Adelaide debutant, Matt Renshaw, who scored 71 and was part of a 70-run opening stand with David Warner and then a 76-run third-wicket partnership with Smith.dddddddddddd Renshaw is what biologists call an atavism. In simple terms, an evolutionary throwback. He would recall little of life before Twenty20 - he was born in 1996 while T20 began in 2003 - yet idolises Alastair Cook and places on his wicket a price, almost as high as Bill Lawry did. He was at the inaugural T20 international in 2005 as a spectator, yet has never played elite T20 himself.Renshaw is remarkable for a 20-year-old in that he doesnt have a Big Bash League deal and doesnt care. Until he was called into Australias Test side, he expected December-January to be his golf season. Instead he ended up on the world stage proving his long-form credentials. In Adelaide, Renshaw scored slowly, but steered Australia to victory. Here, he showed he can change gears.Against the new ball, Renshaw was happy to leave anything outside off stump, and waited for his scoring opportunities to come when the bowlers went too straight: nearly two-thirds of his runs came through the leg side. And yet he was willing to use his feet and drive the spinners down the ground, in the air, reckoning it a safe scoring opportunity if executed well.His final tally was 71 from 125 balls, including nine boundaries. It was as if Renshaw had evolved in the fortnight between Adelaide and Brisbane. It should not be forgotten that this was just his 15th first-class match. He is still learning, but has an outstanding base from which to work. His development will be fascinating to watch.Given that Renshaw is a Queenslander, perhaps the most remarkable absentees from the 26,343-strong crowd were his parents. They had been at his debut in Adelaide, but on Thursday chose his sisters graduation over his first Test appearance at home. Still, the crowd figure was a record day-one attendance for a non-Ashes Test at the Gabba.Among them, Garry Sobers and Alan Davidson watched Test cricket under lights with a pink ball. It looked different, but was fundamentally the same game they had played. Fifty-six years ago this week, they played in Test crickets first tied match at this very ground. Before that memorable series between Australia and West Indies, the health of Test cricket was waning. 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