Boris Becker has suggested that?Novak Djokovic?needs to rediscover his old work ethic to reclaim the No. 1 ranking from Andy Murray.Djokovic confirmed Tuesday night he had split with Becker, his coach, after a three-year spell that yielded six major titles.He didnt spend as much time on the practice court in the last six months as he should have, and he knows that, the German told Sky News. Success like this doesnt happen by pushing a button. Success like this doesnt just happen by showing up at a tournament. You have to work your bottom off because the opposition does the same.He [Djokovic] has got to go back to work. He has to go back to the office and practice these hours and refocus on what made him strong in the first place.Djokovic made a change to his coaching team, which also includes Slovakian Marian Vajda, at the back end of the 2016 season with Spanish spiritual guru Pepe Imaz brought on as an advisor for the Paris Masters and World Tour Finals in London.Becker had hinted in interviews with British newspapers Sunday that he was set to part company with the Serb but had refused to respond to questions regarding any tensions in the camp.It was mutual. A decision like this does not happen overnight. It is a progress, he told Sky News. I think the last six months have been challenging on many levels. Our hands were tied a little bit because we couldnt do the work we wanted to do.Djokovic has previously admitted to losing some of his motivation after completing the career Grand Slam in June when he won the French Open, and he said in an official statement Tuesday he was ready to set new goals without Becker.Having dominated the first six months of 2016, with titles at Doha, the Australian Open, Indian Wells, Miami, Madrid and Roland Garros, the 29-year-old saw a rankings lead of more than 8,000 points overturned by Murray.The 12-time major winner went out in the third round at Wimbledon and the first round of the Olympics and lost in the US Open final, having admitted in New York his slump was down to personal problems as well as injury issues.I dont know if he had any personal problems, based on what I know, Becker said. He is happily married. He has got a beautiful son. But the profession of a tennis player is probably the most selfish one in sports because it has to be about you, and he is the first to say he is a family man, so of course his wife and the rest of his family had to take back seats.That cant be forever, and I think that is what he meant. I dont think there were problems. I have met his wife -- she is lovely and very, very supportive of her husband. But they dont spend enough time together. I had it, too, 20 years ago. It is just the nature of the beast, being a tennis player.Beaten by Murray in a winner-takes-all showdown for the year-end No. 1 spot and the World Tour Finals title, Djokovic faces a tough task to dislodge the Scot at the top of the rankings given the sheer number of points he will have to defend in the first half of the 2017 season.I am sure the fact that he lost the No. 1 ranking to Andy Murray is going to hurt, Becker said, though. I know the US Open loss in the final against Stan [Wawrinka] hurt. I think that is what he needed maybe in a funny way was to lose a little bit, to realise what it is like to lose, because he hasnt been losing for two and a half years.Im convinced -- and I am his No. 1 fan for next year -- that he will come back and regain that No. 1 position and regain being the most dominant player in his sport. Zaino Fjallraven Kanken Classic Rosa 16L . Vettel was 0.168 seconds faster than Red Bull teammate Mark Webber around the Suzuka circuit. Mercedes driver Nico Rosberg was two tenths of a second off Vettel. "The car balance is decent, but I think we can still improve," Vettel said. Zaino Kanken Outlet . Catch all the action on TSN2 at 11pm et/8pm pt. The nine-time Big 12 champion Jayhawks are positioning themselves for another title, as they have run out to a flawless 6-0 mark in conference play thus far. http://www.fjallravenkankenitalia.it/zaino-kanken-classic/zaino-kanken-classic-nero.html . 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. Zaino Fjallraven Kanken Mini Giallo Caldo 7L . While hell be dialed in to that tournament on a course he loves, you can forgive him if his eyes glance down the calendar just a bit, towards April. Fjallraven Kanken Zaino Saldi . -- Hunter Smith scored the winner with just 12 seconds remaining in the third period as the Oshawa Generals edged the host Sarnia Sting 5-4 on Friday in Ontario Hockey League action.Liverpool and Chelsea dominate this weeks Power Rankings after emphatic wins at the weekend. Eden Hazard topped the chart for a second week running, scoring twice during the Blues 5-0 win over Everton on Saturday. Fellow goalscorers Diego Costa (No 4, down one), Marcos Alonso (No 5, up three) and Pedro (No 7, up 23) made the top 10, while keeper Thibaut Courtois (No 8, up one) kept his fifth successive clean sheet. Liverpools Philippe Coutinho (No 2, no move) also continued to dazzle with a goal and assist as the free-scoring Reds demolished Watford 6-1 on Sunday.Team-mates Roberto Firmino (No 3, up three), Sadio Mane (No 6, up 16) and Emre Can (No 10, up 22) were among the goals and this weeks top performers. Liverpool and Chelsea players filled the Power Rankings top 10 apart from Man Citys Sergio Aguero (left) Sergio Aguero (No 9, up two) tapped Manchester City ahead against Middlesbrough before a late equaliser sent City crashing to third in the league.ddddddddddddThe Power Rankings methodology reflects a players performance by awarding points to players for 32 different matchday stats.Below, we present this weeks Power Rankings, your clubs top in-form player and this seasons total accumulative rankings. The Sky Sports Power Rankings will be updated every Tuesday during the season, so be sure to keep an eye on the big movers... Also See: Joses biggest problem? 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