KEY BISCAYNE, Fla. Buy Nike NFL Jerseys . - Even with his surgically repaired back still nowhere near perfect, defending champion Andy Murray needed only 73 minutes to beat Jo-Wilfried Tsonga 6-4, 6-1 at the Sony Open on Tuesday and set up a quarterfinal with Novak Djokovic. "My game is getting there," said Murray, the No. 6 seed, who acknowledged he was dealing with a sore back. "The last six sets Ive played, very high-level tennis, very few errors." Hell need to keep it that way against Djokovic, who eased past Tommy Robredo 6-3, 7-5. The second-seeded Djokovic even gave back a point in the second set. A groundstroke from Robredo clipped the baseline and Djokovic couldnt handle it, but the ball was erroneously called out. After a review showed the ball was in, the point was ordered to be replayed. Djokovic shouted "Its OK, its OK" as the fans applauded his sportsmanship. "For me, its something that is part of the sport, fair play," Djokovic said. "I expect everybody else to do the same. Of course, not everybodys the same, but for me, thats something thats normal. Just a normal, natural reaction." Top-seeded Rafael Nadal downed 14th-seeded Fabio Fognini 6-2, 6-2. Nadal has dropped a total of nine games in six sets so far in this tournament. Singles players with a combined 66 Grand Slam victories were in action Tuesday, including Roger Federer — a winner of 17 of them himself. And he looked very much like the Federer of old, needing only 49 minutes to beat ninth-seeded Richard Gasquet 6-1, 6-2. "Look, things went well out on the court today," Federer said, clearly understating matters. Federer, the No. 5 seed, had 25 winners to Gasquets eight, converted five of his six break chances and won 92 per cent of his first-serve points in the second set. Next up for Federer is 20th-seeded Kei Nishikori, who upset No. 4 David Ferrer 7-6 (7), 2-6, 7-6 (9). Ferrer had beaten Nishikori in the same round at Key Biscayne a year ago, their most recent meeting before Tuesday. No. 22 Alexandr Dolgopolov of the Ukraine also pulled off an upset, topping third-seeded Stanislas Wawrinka 6-4, 3-6, 6-1 to reach the quarterfinals. The last American in the mens draw was ousted when 10th-seeded John Isner lost to No. 7 seed Tomas Berdych 6-3, 7-5. On the womens side, Maria Sharapova rallied from a break down in the first set to oust Petra Kvitova 7-5, 6-1 and earn a spot in the semifinals. Shes been a finalist at Key Biscayne five times, but never the champion. "I love the energy here," she said. The fourth-seeded Sharapova, who needed three-setters to get through her two most recent matches at Key Biscayne, feasted on 30 unforced errors by the eighth-seeded Kvitova. Sharapova won 11 of the final 13 games and moved into a semifinal matchup with Serena Williams, the defending champion who won 62 of 100 points in her 6-2, 6-2 romp over fifth-seeded Angelique Kerber. Williams broke Kerber twice in each set, faced only one break point and held a more than 2-to-1 advantage in winners. "When youre playing champions, you like to play your best," Williams said. "She always gives me her best. ... I love playing her. I really do. It doesnt matter what surface. Shes one of my favourite people to play." Sharapova said she was eager to face Williams again. "Its no secret that shes been a big challenge of mine, an opponent that obviously I would love to beat," Sharapova said. Also, former No. 1 Martina Hingis teamed with Sabine Lisicki to reach the doubles quarterfinals. And foot and vehicle traffic outside the tennis centre was briefly halted during the night session when a suspicious backpack was found near the main gate, but Miami-Dade police responded and quickly determined there was no threat. Authentic NFL Jerseys For Sale .Russian security was tight at the Sochi Olympics this year, though it was not immediately clear whether Putins comments would signal a different approach for the soccer tournament. Wholesale NFL Jerseys . For the past five decades, the U.S. Supreme Court has set narrow grounds for judges to consider when evaluating lawsuits to overturn arbitration decisions.Washington, DC (SportsNetwork.com) - Braden Holtbys outstanding performance between the pipes kept the Washington Capitals on a roll with a 2-1 decision over the Ottawa Senators at Verizon Center. Holtby recorded 38 saves in a game in which the Capitals were outshot by a 39-23 count, with Nicklas Backstrom accounting for the deciding goal on a power play late in the second period to help Washington earn a point for a ninth straight outing. The Caps are 7-0-2 during the surge. Jay Beagle also scored for Washington, with Mike Green assisting on both Capitals markers. Erik Condra had the lone goal for Ottawa, which received 21 saves from Craig Anderson. Final Score: Nashville 5, Columbus 1 Columbus, OH (SportsNetwork.com) - Pekka Rinne made 30 stops and Nashville broke open the game with three goals in a span of 2:14 early in the third period to claim a 5-1 victory over Columbus at Nationwide Arena. Craig Smith scored twice, Mike Fisher, Colin Wilson and Seth Jones once each for the Predators, winners of three straight and five of their last siix. Cheap NFL Jerseys Wholesale. 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