KEY BISCAYNE, Fla. -- Novak Djokovic benefited from an erroneous call and claimed he didnt realize he had broken the rules. When Andy Murray walked to the net and challenged him about it, Djokovic responded with a shrug and a sheepish smile. Murray lost the dispute, and the match. The pivotal ruling against the defending champion helped Djokovic win 7-5, 6-3 in the quarter-finals of the Sony Open. Roger Federer was up a service break twice in the second set but lost to No. 20-seeded Kei Nishikori 3-6, 7-5, 6-4. Nishikori will play Djokovic on Friday. The point that aggravated Murray occurred at the start of the 12th game, when he was serving at 5-6. Djokovic charged forward to volley a short ball and hit it for a winner. Murray argued -- and TV replays confirmed -- he should have been awarded the point because Djokovics racket was on the far side of the net when he hit the ball. Chair umpire Damian Steiner declined to change his call, and such rulings cant be appealed for video review. Murray briefly discussed the matter with Djokovic. "I went and asked Novak, and he told me he was over the net," Murray said. "Look, it might be my mistake," Djokovic said. "I think I crossed the net with the racket. I didnt touch the net. Maybe the rule is that you are not allowed to pass on his side with the racket. Im not sure. You tell me." That is indeed the rule. Djokovic said that if he had understood it correctly, he would have conceded the point. A flustered Murray committed unforced backhand errors on the next three points to lose the game and the set. "Obviously, that distracted him mentally, and after that he gave the set away," Djokovic said. Murray took a lead in the second set but lost the final four games and the last 12 points. Afterward, he downplayed the bad call. "Im not angry," he said. "It maybe had a slight bearing on that game, but I was still up a break in the second set." Nishikori will be playing in only his second ATP Masters 1000 semifinal, and his first in 2 1/2 years. "I thought I really played well, especially in the third set," Nishikori said. "I was hitting balls deep and striking well. Everything was going well." Federer was the runner-up to Djokovic at Indian Wells two weeks ago, and said hes pleased with his start to the year despite the latest loss. "I just couldnt find my rhythm on the serve today, which was surprising," Federer said. "Its a bit frustrating, but Kei did well to stay with me. He was more consistent in the second and third, and in the end its to his credit." Li Na became the first Chinese woman to reach the Key Biscayne semifinals when she beat Caroline Wozniacki 7-5, 7-5. Lis opponent Thursday night will be Dominika Cibulkova, who erased three match points in the second set -- one when a call was overturned via replay -- and beat Agnieszka Radwanska 3-6, 7-6 (5), 6-3. Six-time champion Serena Williams will play five-time runner-up Maria Sharapova in the other womens semifinal. Williams has beaten Sharapova 14 consecutive times. Murray won the Key Biscayne title in 2009 and 2013 but wasnt at his best against Djokovic. The Scotsman committed five double-faults and 32 unforced errors, including a flurry down the stretch. He took a 3-2 lead in the second set with his only service break, then double-faulted twice to give it right back. But it all might have been different if not for the call that made one point stand out from the other 125. Djokovic had won praise for his sportsmanship when he conceded a point following an erroneous call in his match Tuesday, but against good friend Murray, he left the verdict to the umpire. A sideline reporter told Murray that TV replays showed he was correct about the call, and during the ensuing changeover he questioned Steiner. "His racket was over the net," Murray said. "Its quite clear. You can see it on the replay." "I have to make a decision at the moment," Steiner replied. Any hard feelings on Murrays part didnt carry over after the match, when he shook hands with Djokovic and Steiner. "Its a hard one for the umpire to call," Murray said. "Just frustrating." And Djokovic said the call was the umpires to make. "Its not my fault," he said. "I mean, I was never lying on the court. I always try to be fair to whoever I play against." Mark Thompson Jersey . He just didnt expect them to be this good. Darrun Hilliard scored 19 points to lead No. 6 Villanova to a dominating 77-59 victory over Georgetown on Saturday, preserving the Wildcats hopes of a No. Mitchell Loewen Jersey . The Eastern Conference-leading Celtics finished their recent trek at 3-1 on Monday in Salt Lake City when Rajon Rondo made a key jumper with 24.1 seconds remaining, as Boston held off the Utah Jazz, 107-102, at EnergySolutions Arena. http://www.wholesalelionsjerseys.com/?ta...-nauta-jersey.S. womens soccer team to a 2-0 win over China in Colorado in the afternoon. Tyrell Crosby Jersey . Ibrahimovic put PSG ahead when he got in front of his marker to neatly flick in Lucass cross in the 59th minute. New signing Yohan Cabaye came on as a second-half substitute and headed Ezequiel Lavezzis cross against the post in the 87th. Moments later, Lucas set up another goal from the right when fellow countryman Alex turned in his corner with a strikers finish. Ray Smith Jersey . This has become the Raptors mantra as they embark on a new era with a new regime and, in the not-so-distant future, a new image.BRIDGEVIEW, Ill. -- Being down a man while also missing two stars didnt seem to faze Toronto FC on Wednesday. Toronto (6-4-3, 21 points) ran its unbeaten streak to six as it resisted late Chicago pressure to earn a 1-1 tie at soggy Toyota Park. Midfielder Jackson scored Torontos lone goal in the 42nd minute, heading a feed from forward Jermain Defoe past Fire goalkeeper Sean Johnson. "Any point on the road is a good point, especially when youre down to 10 men," said Toronto coach Ryan Nelsen, whose team remains unbeaten (3-0-3) in league play since a May 3 loss to New England. "They (the Fire) did very well in the second half and pushed us hard. We had to defend and we defended very well." Forward Luke Moore was issued a red card and ejected in the 29th minute after a mid-air collision with Fire midfielder Chris Ritter and Toronto played the final hour with 10 men. Toronto FC was also outshot 20-7 and trailed in possession by a lopsided 62-38 per cent. Yet Chicago mustered only one score - Harry Shipps sixth goal of the season in the 56th minute. "We did enough to win the game, when its 10 men against 11 we should win the game," said Fire coach Frank Yallop, whose team is winless in five games. "We had our chances, its frustrating. We had themm.dddddddddddd Thats our problem right now, we cant seem to win a game." Numerous other Chicago shots went wide, fell short or were stopped by Toronto goalkeeper Joe Bendik, who had five saves. In the 73rd minute an apparent go-ahead goal by Fire defender Bakary Soumare was waved off on an offside call. Toronto was playing its second game in five days while Chicago was among the last Major League Soccer teams to restart the season after a lengthy World Cup break. "This point is very valuable," Nelsen said. "It proves that away from home weve been down to 10 men twice and weve managed to get something out of the game and that was extremely important." Moores ejection came after a midfield battle for possession with Ritter. Moore appeared to elbow Ritter in the right temple. Ritter temporarily left the game but was back within three minutes with his his head bandaged. The ejection includes an automatic suspension for Saturdays home game with D.C. United. Toronto was missing goalkeeper Julio Cesar, who helped carry host Brazil into the World Cups final eight, as well as recent midfielder acquisition Michael Bradley, expected back soon from a U.S. team stint. Wednesdays game was played under steady drizzle and unusually cool temperatures. 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