Andy Murray believes he will have to be clinical to beat the big-hitting Milos Raonic in the last four of the ATP World Tour Finals in London on Saturday. The pair will meet in the first semi-final at 2pm at the O2 Arena, with Novak Djokovic and Kei Nishikori following in the second semi at 6pm.Murray has won eight of his 11 matches against Raonic and all of the last seven, including five this year, but the world No 1 is wary of his opponents powerful serve and groundstrokes. Live Tennis: ATP World Tour Finals November 20, 2016, 5:45pm Live on Get Sky Sports Get a Sky Sports pass He said: He obviously serves big and goes for his shots. He moves forward when he has the chance. I think he probably likes the conditions here. Its a little bit quicker.You dont normally get loads of opportunities against the big servers. Then it comes down to, when you do get those chances, whether you take them or not. This year, when I have played him I have created a few opportunities in the matches. Murray gives his reaction to beating Stan Wawrinka When they have come, I have been pretty clinical. I will need to be the same tomorrow if I want to win.As well as trying to win the tournament, Murray is battling Novak Djokovic to end the year as world No 1. The pair are separated by just 130 rankings points with 400 available for winning a semi-final and another 500 available for winning the final. Murray dissects his win over Wawrinka at the SkyPad Both players avoided each other in the last four by topping their respective groups, but Murray insisted it does not matter if and when he has to play the Serb.He added: I dont think its significant. There is a good chance that if I want to win the tournament, I would have to win against him. That would either be in the semis or the final. I dont think that makes a whole lot of difference.Watch every match of the ATP World Tour Finals live on Sky Sports, or follow them live on skysports.com/tennis and the Sky Sports app. Six months half price Upgrade to Sky Sports to watch Man Utd v Arsenal on Saturday and get the first six months half price Upgrade to Sky Sports now to watch Man Utd v Arsenal this Saturday and get the first six months half price! Also See: Murray makes O2 semi-finals Raonic can only get better Raonic: Pressure on Murray World No 1 permutations Discount Vapormax .com) - The St. Fake Off White Vapormax .Those stars, most notably the top line of James van Riemsdyk, Tyler Bozak and Phil Kessel, struggled against the Montreal Canadiens and must be better as the Leafs look ahead to facing the Pittsburgh Penguins and New York Rangers this weekend. http://www.cheapvapormaxtrainers.com/ . Miralem Pjanic dribbled through the defence to score an extraordinary goal in the 43rd minute at the Stadio Olimpico and Gervinho added another from a rebound in the 65th for Romas ninth straight victory — ending Milans five-match winning streak. Nike Vapormax Plus China .28 for a combined time of 1:14.70, also an Olympic record. Lee won the gold medal, defending her title from the Vancouver Games. Cheap Vapormax China .C. - Goodyear has warned teams that increased speeds at Charlotte Motor Speedway will put a heavy emphasis on the right front tires in Saturday nights race a€” a potentially key development for drivers trying to advance in the Chase for the Sprint Cup Championship.The first-place Erie Otters have bolstered their forward ranks. The Otters have acquired centre Brendan Gaunce from the Belleville Bulls in exchange for left wing Stephen Harper and four picks in the OHL Priority Selection. Gaunce has scored 10 goals and 16 assists in 22 games with the Bulls so far in 2013-14. Gaunce was selected by thee Vancouver Canucks in the first round (26th overall) in 2012.dddddddddddd “Pleased to get a high profile player in Brendan Gaunce,” Otters general manager and owner Sherry Bassin said on the Otters web site. “Brendan plays both ends of the ice. He shares the puck and understands how to accept responsibity.” ' ' '