KEY BISCAYNE, Fla. Cheap Nike Shoes China Free Shipping . -- Novak Djokovic advanced without hitting a ball for the second time at the Sony Open, and now hes in the final. Djokovic received his latest walkover Friday when Kei Nishikori withdrew less than two hours before their semifinal because of a left groin injury. "I tried to warm up and I couldnt move" Nishikori said. "With anybody on the other side, I dont think I could win today." The No. 2-ranked Djokovic also got a walkover in the third round and has played only six sets in the tournament. Hell try for his fourth Key Biscayne title Sunday against the winner of Friday nights match between No. 1 Rafael Nadal and No. 7 Tomas Berdych. No. 1 Serena Williams will try for her seventh Key Biscayne title when she plays No. 2 Li Na on Saturday. Former No. 1 Martina Hingis advanced to her first doubles final since 2007 when she and Sabine Lisicki beat Cara Black and Sania Mirza 6-3, 6-4. Nishikori said his groin has bothered him for more than a month, and he retired during a match in Delray Beach last month. This week he won a won a three-set match against David Ferrer, saving four match points, and then beat Roger Federer in a three-setter Wednesday night. The No. 21-ranked Nishikori said he wont need surgery, but hes unsure how long hell be sidelined and will fly home to Japan to see a doctor. His next scheduled match is in Davis Cup for Japan against the Czech Republic in Toyko on April 4. Nishikori has retired or withdrawn 14 times in his career, including three times in Grand Slam events. He was hoping to reach his first ATP Masters 1000 final. "It was going to be a great challenge for me today," Nishikori said. "Hopefully I can play another time." A Key Biscayne mens semifinal was also cancelled in 2012 when Nadal withdrew because of a knee injury, giving Andy Murray a walkover. Djokovic will try to complete a March sweep Sunday. He won the Indian Wells title two weeks ago, when he beat Federer in the final. Regardless of results the rest of the week, Nadal will remain No. 1 and Djokovic No. 2 next week. Nike Shoes Outlet China . Or how his team has defended Stephen Curry and Klay Thompson. Or just about anything that has happened on the court in the first-round playoff series. Instead, Rivers and his players spent Saturday talking about how they would respond to an audio recording of a man identified as Clippers owner Donald Sterling telling his girlfriend not to bring black people to games. Nike Shoes Cheap China . - Benched Tampa Bay Buccaneers quarterback Josh Freeman said he has Attention Deficit Hyperactivity Disorder and voluntarily entered the NFL substance abuse program more than a year ago after mistakenly taking a medication to treat the condition. http://www.chinashoesnike.com/ . The Calgary Stampeders running back received the West Division nomination for the CFLs top individual award Thursday in voting by the Football Reporters of Canada and leagues eight head coaches.Returning to the city in which he played his university hockey, the coach of Team Canadas 2014 Olympic team made it clear that reliability, dependability and trust would be the most important on-ice factors for those selected for Sochi. Appearing on TSN 690 Monday afternoon, Mike Babcock said he had conveersations with both P. Nike Shoes China. K. Subban and Carey Price about those on-ice traits during Hockey Canadas summer orientation camp. Mike Babcock: McGill experience, P.K./Sochi ' ' '