KEY BISCAYNE, Fla. Rashaad Penny Jersey . -- 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." Ed Dickson Seahawks Jersey . So it was understandable if he was a little shaky early in his return to the Texas Rangers rotation. He spent most of the outing searching for his best stuff, but still managed to shut down the struggling Minnesota Twins offence. Byron Maxwell Jersey . -- Creighton apparently has Villanovas number. http://www.seahawksauthenticofficialonline.com/authentic-alex-mcgough-jersey.html . Observant Muslims avoid food and liquids from dawn to dusk during Ramadan but can, and often do, skip it if travelling or doing hard physical labour. Some devout Muslim athletes choose to fast during training or competition, but it can create selection difficulties for the coaches in team sports.TAMPA, Fla. -- The Tampa Bay Buccaneers are gathering information on an incident in which receiver Mike Williams allegedly was stabbed in the leg by his brother. Williams, who signed a six-year, $40 million contract before last season, was treated and released from a hospital for a thigh wound on Sunday. The Hillsborough County Sheriffs Office said the fifth-year pros younger brother, Eric Baylor, turned himself in Monday night. Baylor, 23, was held on $1,000 bond. Bucs general manager Jason Licht said coach Lovie Smith had been in contact with Williams by telephone and that the team was still trying to determine what happened. "The good news is Mike is healthy," Licht said Tuesday in Orlando, where he was attending the annual NFL meetings. Deputies responded Sunday to Williams Tampa home, findiing him with a stab wound in the left thigh. Barkevious Mingo Jersey. The player initially told deputies the brothers were wrestling and the stabbing was accidental. Witnesses gave statements later that the two argued before the stabbing. Bucs co-chairman Joel Glazer, also in Orlando for the NFL meetings, said the situation "distracts from the team and the positive things were doing" in the community. "What this does, what any bad news does, is overshadow all the great work, all the hard work of all the other players," Glazer said. "Theres 50 some-odd players doing great things. Wed rather that be the focus." 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