We will have to play intensely.I think

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ISTANBUL, Turkey -- Top-ranked Serena Williams overcame Agnieszka Radwanska 6-2, 6-4 for her second win in two matches at the WTA Championships on Wednesday and all but sealed a spot in the semifinals. Cheap Football Jerseys . Jelena Jankovic topped second-ranked Victoria Azarenka 6-4, 6-3 in her first match at the tournament and fourth-seeded Li Na opened her campaign with a 6-3, 7-6 (5) victory over Sara Errani. Williams cruised in the first set but ran into some trouble in the second against a player she had never lost to in seven previous matches. "She definitely played pretty well. But, you know, I can always look to improve on some things. My serve wasnt as good today as it was yesterday, but you cant expect it to be great every day," Williams said. Radwanska wasted three break points at the start of the set and dropped her serve in the fourth game. She broke right back and levelled at 3-3, but Williams pounced on her serve again in the final game, winning the match with a backhand winner. Radwanska has won just one set of 17 she has played against Williams overall - in the 2012 Wimledon final. She has now dropped both round-robin matches in Istanbul, where she also lost to Williams in last years semifinals. Williams is bidding for her fourth title in the event. Errani also lost her opening group match on Tuesday to Azarenka and now looks all but certain to be eliminated. Jankovic, who was ranked No. 1 in 2008 and is back in the top 10 for the first time since 2011, outplayed Azeranka to snap a four-match losing streak against a fellow former No. 1. "Vika is a great champion, and I knew it was going to be a tough match. We played against each other in Cincinnati and I lost in three sets, and I think the difference today was that I was serving much better," Jankovic said. Williams, 32, is enjoying the finest season in her career, having already won 10 titles. She added the French Open and U.S. Open titles to bring her Grand Slam record to 17 championships and is 75-4 for the year. Williams, making her eighth appearance in the event, is looking to become the first player to successfully defend the title since Justine Henin in 2007. Henin was also the last to win 10 titles in a season, in 2007. Williams has clinched the year-end No. 1 ranking for the third time in her career after 2002 and 2009 Li trailed 3-1 in the second set against Errani, but won the next four games. She twice attempted to serve for the match, first, wasting a match point at 5-3 and then again at 6-5. Despite trailing 3-1 in the tiebreaker, Li won the next five points and eventually converted her third match point when Errani sent a forehand into the net. That saw her take her head-to-head meetings against her Errani up to six wins without defeat. "The first match is always tight," Li said, adding that she had felt rusty after a three-week break since her last tournament. "I still have to find the rhythm on the court." The tournament brings together the top eight players in the world. They play two round-robin groups, with the top two finishers in each advancing to the semifinals. Jankovic, now ranked No. 8 and seeded seventh because third-ranked Maria Sharapova pulled out of the event with a shoulder injury, proved to be the steadier player against Azarenka, the Australian Open champion. "I was able to hold my serve and stay focused when I was serving and I waited for my chances to break, and she made some double faults at times and I took advantage of that," Jankovic said. "Its a great win for me, it gave me a lot of confidence." The key game in the first set went to Jankovic after more than 10 minutes when she held serve for a 5-3 lead. Azarenka saved two set points in the next game but then sent a forehand wide on Jankovics fourth in the 10th game. Azarenka dropped her serve in the third game to fall behind and then held in the fifth despite serving three double-faults and facing four break points. But she could not trouble Jankovic on her serve and another forehand by Azarenka that sailed long to hand Jankovic the match. "Of course she was playing well. I mean, I think shes playing her best tennis right now. Really improved a lot throughout the year, " Azarenka said. "But I cannot say that I played well and she was better today. Of course she was better today, but, you know, I let a lot of balls go. There were a lot of mistakes, small mistakes, a little bit bigger mistakes." After losing the U.S. Open final to Serena Williams, Azarenka lost her opening matches in both Tokyo and Beijing before beating Errani on Tuesday. Azarenka still has a 5-4 career edge over Jankovic. 16:56ET 23-10-13 Wholesale NFL Jerseys . Cammalleri scored two goals, Corban Knight netted the winner in a shootout, and the Flames erased a two-goal deficit in the third period to beat the Stars 4-3 on Friday night. NFL Jerseys China . The Flames announced Monday that Treliving, a former assistant general manager with the Coyotes, will take over the vacant GM spot in Calgary. "Im ready for this,"Treliving said. http://www.cheapjerseysfreeshipping.store/ . The day began ominously for the Rangers when star pitcher Yu Darvish was scratched from his scheduled start with stiffness in his neck. Fill-in Scott Baker gave up three hits over six innings and Chris Gimenez hit a tiebreaking two-out RBI single in the sixth off Phil Hughes.Sergio Aguero has admitted Manchester Citys title hopes are slipping through their fingers and they must now be wary of losing fourth spot to Manchester United. The bitter rivals clash at the Etihad, live on Sky Sports 1HD on Super Sunday, with City 12 points behind Premier League-leaders Leicester with nine games remaining.Yet just as significantly, City are only four points ahead of sixth-placed United after 29 games and striker Aguero insists they have to win to prevent a cataclysmic slide out of the Champions League places. We have to win even more so because the title is slipping further and further away and we have to make sure we take fourth place, the Argentina international said.We want the title, but we have to take into account that United are right behind us and it will be a tough game. We will have to play intensely.I think that over the last five years City have always competed hard in the derby. At one point United were huge and City have invested a lot of money to bring in qualiity players, and that has levelled the playing field. Wholesale Jerseys Free Shipping. But I dont know what is happening at United. I focus on City and Sunday, and we are thinking about winning and nothing else.Aguero, who signed for City from Atletico Madrid in 2011 and signed a renewed five-year contract in 2014, said last week that he intends to finish his career at boyhood club Independiente.But he hopes to win the Champions League before he goes, most likely in 2019 when his current contract ends.You are born in one club as a kid and you always want to return to where you started. I have always said it, I will go back, he said.But right now I am thinking about winning the Champions League with Manchester City. We will see what happens in the future. Also See: Kompany blow as derby looms When is the CL quarter-final draw? Vault: City 2-3 United Otamendi targets derby return Cheap NFL Jerseys Wholesale Jerseys Wholesale NFL Jerseys Jerseys From China Wholesale NFL Jerseys Cheap NFL Jerseys Cheap Jerseys ' ' '