LONDON -- Novak Djokovic certainly seems wound up at the moment and he gave another clear indication of his mindset with an outburst at the chair umpire Thursday.He became angered after chair umpire Fergus Murphy gave him a time violation for taking too long between points in the fourth game of his 6-1, 6-2 win against David Goffin at the Tour Finals. Milos Raonic later beat Dominic Thiem 7-6 (5), 6-3 in the evening session to join Djokovic in the semifinals.But the world No. 2 was perplexed that he hadnt been given a soft warning first. Can you explain why you didnt tell me before? Djokovic said at the next changeover, explaining it was the first time he had gone over the allotted 25 seconds.On the point in question, the Serb had taken 31 seconds to serve following a long rally that was ended by exquisite lobbed winner from Goffin, which had drawn a thumbs-up from Djokovic. Thats the rule, he was told bluntly by Murphy, though.That tells me that you have no clue about the game, you have no clue about the game, Djokovic shot back.Murphy replied: Thats your view.Djokovic continued to plead his case in what became a heated exchange. He played an amazing point. I went to get my towel and you give me a warning right away, he said. You think thats fair?Yes, thats the way we enforce the rule and weve been doing that for two years, said the umpire.Djokovic then stood up from his chair and gestured behind his chair to supervisor Tom Barnes, pointing one finger in the air and saying one time repeatedly.He perhaps had a right to be annoyed. It was the first time in the match that Djokovic had strayed over the time limit between serves and a soft warning at the change of ends may have sufficed.He sought out Barnes for a chat after the match to clarify the rules. I just wanted to get his view on this, Djokovic told a post-match news conference.First of all, I accept and I know that Im one of the players that takes the most time. There is no doubt. Im not running away from that.Every time that Im late, if I get a so-called soft warning or pre-warning, Ill accept it and I wont say a word. But I think its fair, correct and respectful towards the player and to the game if you go over the first time, lets say, over the limit, that you at least get a heads up.Thats all Im asking for, to be honest. Im not the only one who has that kind of mindset and perspective and opinion about this.I know that the rules are strict, you have to follow. But there should be a kind of a feel, a sense for the game. It was the fourth game of the match, after a long point, the first time I went over, a few seconds, he gives me a warning. I didnt think that was supported by the right facts. Thats why I wanted to have a conversation and understand why it was as it was.In the grand scheme of things, it did not matter at all. There was no fine for Djokovic, and he did not lose a point. Whats more, his position as group winner and his place in the semifinals was already safe and this was essentially a dead rubber.No stress at all, why stress? Djokovic said on court post-match. We come here to play, to enjoy. This is one of the biggest tournaments in the world. Im just having fun on the court.But he was more forthright in his news conference about the pressure he is under.I mean, look, you know, were all humans, he said. Every single day we face some certain kind of challenges, mental challenges, on everyday basis, private, professional life, emotions, thoughts.Its normal, especially if you compete on the highest level in professional sport, that you have maybe more of that hype and emotions and adrenaline going through your body. Its very important always to kind of know how to filter all of that, how to channel it in a positive direction.Certainly there are stages of the year or of the day, moments when you feel worse, and you feel better. The important thing is to be conscious of it and just deal with it in a best possible way that works for you.Djokovic will have known not to take Goffin lightly. The last time an alternate won a match at the Tour Finals, Djokovic was on the other side of the net, beaten 3-6, 7-5, 6-1 by countryman Janko Tipsarevic and eliminated from the tournament.Tipsarevic had joked after that match that Djokovic might then cancel their planned post-season holiday together.Here on Thursday, the 12-time Grand Slam winner managed to shake off the time violation incident to record a blowout victory. He took the first set in just 36 minutes and the second even quicker in 33 minutes.I was trying to put myself in the right state of mind regardless of who was at the net, said Djokovic, whose scheduled opponent Gael Monfils withdrew from the tournament with a rib injury Wednesday night.I felt the most comfortable today from all the three matches, and I felt I increased the quality of the tennis. Its not easy for him to come out, I think, to play. He didnt play his best.The umpire incident aside, it was the perfect afternoon for Djokovic -- he didnt drop his serve, and will have conserved his energy for the weekend.He now has a day off, while Andy Murray -- whom he is battling with to finish as year-end No. 1 -- faces a potential run of three matches in three days, should the Scot reach the final in what could be a straight shootout between the two to finish top of the rankings.If Murray takes a set off Stan Wawrinka, win or lose, in his final round robin match then he will face Raonic, the man he beat in the Wimbledon final.Ive played Andy many times this year, said Raonic, who is 6-0 against the Scot in 2016. I havent gotten the better of him. Hes been playing well. Hes been playing a lot of matches.I think the one thing that I might have is how much he has really on his shoulders right now, a lot of consecutive matches, and as well what hes playing for. I have to try to do my best to try to accentuate that as much as possible in my own favor so I can really get the most out of myself and hopefully be able to get on top of him for once this year.Acheter Air Force 1 Pas Cher . Team physician Dr. Steve Traina performed the surgery Friday. Robinson was injured in a spill underneath the Nuggets basket during the first quarter of Wednesday nights loss to the Charlotte Bobcats. Acheter Air Max 270 Pas Cher . The 19-year-old Olsen played 34 games with the Kelowna Rockets of the WHL this season. In that time, hes recorded 17 goals and 17 assists with 36 penalty minutes. http://www.airmaxpaschervente.fr/ . Cuban testified Thursday that he was upset when the companys CEO told him news that would reduce the value of his shares, for which hed paid $7.5 million. But he said he did nothing improper when he sold those shares over the next two days. Acheter Tn Pas Cher . Hamelin, who triumphed in the 500 on Saturday, edged out Victor An of Russia by 0.021 seconds to maintain his lead in the World Cup standings. Russias Vladimir Grigorev was third. In the relay, Canada took control six laps from the finish line to beat Russia and the Netherlands. Air Max France Pas Cher . LOUIS -- Lance Lynn was one of the more enthusiastic participants as the St.Leicester are in discussions to sign Hannover 96 goalkeeper Ron-Robert Zieler, according to Sky sources.Hannover said in a statement released on their official website earlier on Sunday that the Premier League champions had activated the release clause in Zielers current contract. The 27-year-old - capped six times by Germany - will undergo a medical in England if terms are agreed. The talks are still at an early stage, and Leicester have made no comment. Zieler would provide competition for current Leicester No 1 Kasper Schmeichel Hannovers statement read: Ron-Robert Zieler has exercised the option right enshrined in his contract and Hannover 96 has been informed that he will travel to the English champions Leicester City for contract talks.In addition, the 27-year-old goalkeeper will complete the sports medical examminations in England.dddddddddddd Ranieri: Survival first for Foxes Claudio Ranieri says Leicesters priority next season will be to stay in the Premier League… Zieler started his professional career in 2008 at Manchester United, but never made a competitive appearance for the club and was allowed to leave for Hannover two years later having briefly spent time out on loan at Northampton.He has since made over 200 appearances for Hannover and was part of Germanys 2014 World Cup winning squad, although he did not make an appearance during the finals in Brazil. 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