Ahead of this weekends Super Rugby semi-final clash between the Hurricanes and the Chiefs, we take a look at some of the key battles, including Ardie Saveas tussle with Sam Cane for the All Blacks No 7 jersey. Sky Live: Hurricanes v Chiefs Hurricanes wait on the fitness of captain Dane Coles ahead of Saturdays Super Rugby semi-final Sam Cane v Ardie SaveaThere will be a back row battle of seismic proportions as the Hurricanes Ardie Savea clashes with the Chiefs Sam Cane at 8.15 on Saturday morning, live on Sky Sports 1.In recent times, Savea has ramped up the pressure on Cane in his quest for the All Blacks No 7 jersey with a string of strong performances, with many in New Zealand calling for Cane to make way for the 22-year-old. Sam Cane on the charge for the Chiefs against the Highlanders The Chiefs were without Cane for half of their quarter-final showdown with the Stormers after a head-knock forced the flanker from the field at the break, but in the time he features, Cane has already contributed seven tackles and a turnover before his enforced exit.Cane has made the most tackles of any player in Super Rugby this season so far, putting in 195 hits on opposition ball carriers. His opposite number Savea was a part of a Hurricanes side that dismantled the Sharks in spectacular fashion in their quarter-final last Saturday, providing 11 tackles, one turnover and 38 metres made with the ball. Ardie Savea combined with TJ Perenara and Waisake Naholo as New Zealand travelled 70 metres up the pitch to score in the second Test against Wales in June The younger Savea has made the second-most tackles of any player this season (180), the most metres made by a Hurricanes forward (766m) while also having the equal-most try assists by a forward with five. On the international stage the battle continues. Cane started all three test victories against Wales in the summer Tests, Savea making his mark from off the bench, particularly in the second test when he raced 40 metres to score the All Blacks final try.Aaron Cruden v Beauden BarrettAaron Cruden may have been the man that started in the number 10 shirt in New Zealands series against Wales but it was his competitor Beauden Barrett that was stealing the show at its conclusion. All Black fly-halves Beauden Barrett and Aaron Cruden do battle at Westpac Stadium After a neck injury forced Cruden from the field after just 20 minutes into the second test, Barrett stepped into the fray and played some of the best rugby of his career, leaving All Blacks head coach Steve Hansen with a sizeable selection headache ahead of the Rugby Championship.The fly-half rivals go head-to-head on Saturday morning in the all-Kiwi Super Rugby clash, with both keen to show they can put in commanding performances in a high-pressure environment. Aaron Cruden releases the ball against the Stormers Barrett is Super Rugbys leading points scorer (193) and has made the most try assists for his side with six, and in recent weeks has provided a series of masterclass displays to guide the Hurricanes to this stage of the tournament. For Cruden, the match provides the opportunity to re-instate himself as the leading fly-half in New Zealand, reinforcing his quality in the minds of the selectors. Damian McKenzie v James MarshallDamian McKenzie was the star of the show as the Chiefs put on an attacking masterclass against the Stormers running in eight tries. McKenzie finished off this fantastic team effort by the Chiefs to open the scoring against the Force in March The full-back was peerless with the boot, missing just one attempt, and crossed for his 10th try of the season, only Israel Folau has scored more this campaign.The 21-year-old has been a ever-present force at the back for the Waikato-based side this year, and is the only Chiefs squad member to have played every minute of 2016.McKenzie has made 1,464 metres this season, ranking him the third most successful metre-maker in Super Rugby 2016. Marshall and McKenzie both played their part in the Super Rugby tries of the week He faces James Marshall, a try scorer in last weekends 41-0 victory over the Sharks. The full-back made 48 metres in 12 carries against the South Africans, making five tackles at the back in a game where his side exercised their dominance throughout.Just like McKenzie, when given space at the back Marshall poses a dangerous threat. The 27-year-old carried more than any other Hurricanes player in their quarter-final with 22 runs; the Chiefs will be aware of the danger of allowing him the space to counter-attack. Also See: Sky Live: Hurricanes v Chiefs Sky Live: Lions v Highlanders Stiles named new Reds coach Follow us @SkySportsRugby Shoes China . Players suspended during the season for a performance-enhancing drug violation will not be eligible for that years post-season. In addition, discipline will increase from 50 games to 80 for a first testing violation and from 100 games to a season-long 162 for a second. A third violation remains a lifetime ban. Wholesale Shoes . 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A criminal complaint filed in Hennepin County District Court said his girlfriend told police they got into the argument early Thursday at his suburban Minneapolis home.Aitor Karanka could yet resolve his issues with Middlesbrough and remain in charge of the club, Sky Sports News HQ understands. Karanka did not travel for Boros 2-0 defeat against Charlton at The Valley on Sunday, with assistant manager Steve Agnew taking charge of the team instead.The Middlesbrough boss is thought to have stormed out of the clubs Rockcliffe Training Ground on Friday after telling his players he no longer wanted to be their manager. It is understood Karanka is now due to meet with the clubs hierarchy on Tuesday to discuss his future.Sky sources believe there is a will from both sides to address the situation positively rather than part ways. Highlights of Middlesbroughs 2-0 Championship defeat at Charlton on Sunday That could therefore see the Spaniard stay in his position after he had looked set to leave this week.If he does remain, Karanka will have to work quickly to repair his relationship with his squad in order to prevent Middlebroughs promootion challenge from faltering further.ddddddddddddThe 42-year-old is believed to have questioned the teams desire to reach the Premier League in a heated exchange following a 1-0 defeat to relegation-threatened Rotherham on Tuesday. Steve Agnew took Middlesbroughs team at Charlton in Karankas absence It is understood it was not the first time Karanka has had an altercation with his players this season, having already clashed with wingers Albert Adomah and Stewart Downing.Travelling Boro fans were vocal in their backing of Jose Mourinhos former Real Madrid assistant during the weekend defeat in London. Stewart Downing in action for Middlesbrough After the club released a statement on Saturday morning saying Agnew would be in charge at Charlton, no more official comment has been made.Speaking to Sky Sports before kick-off at The Valley, Agnew said: The club have released a statement so we have to just respect the wishes of the club and prepare for a football match. Get Sky Sports Alerts Breaking news, line ups and goal alerts from your football club - direct to your mobile Also See: Charlton 2-0 Middlesbrough As it happened Karanka in player bust-up Boro fall late at Rotherham ' ' '