SYDNEY, Australia -- Former Wimbledon champion Petra Kvitova advanced to the Sydney International semifinals on Wednesday with a 7-6 (4), 6-2 victory over fellow Czech player Lucie Safarova. Tony Dorsett Jersey . Kvitova, the second seed, will play the winner of the quarterfinal being played later Wednesday between Italys Sara Errani and Bulgarias Tsvetana Pironkova. In other womens play at the Australian Open warm-up tournament, defending champion Elena Vesnina retired from her second-round match at the Hobart International with a back injury. Spanish qualifier Estrella Cabeza Candela was leading the match 4-6, 6-2, 4-1 when Vesnina quit. Vesnina claimed her first WTA title in Hobart last year and was looking to become the first back-to-back winner in the events 21-year history. In mens play at Sydney, Australian wild card Marinko Matosevic upset third-seeded Andreas Seppi of Italy 6-3, 6-4 to reach the quarterfinals. Defending champion Bernard Tomic was scheduled to play his second-round match later Wednesday. At the ATPs Heineken Open in Auckland, New Zealand, American wild card Jack Sock got the biggest win of his career when he beat second-seeded Tommy Hass 6-4, 6-4 in the second round. The 21-year-old Sock is 14 years younger than Haas and his ranking is nearly 90 places lower than the 12th-ranked German. But Sock started strongly and got early breaks in both sets to pull off the upset. Sock will face Roberto Batista Agut in Thursdays quarterfinals after the Spaniard beat sixth-seeded Benoit Paire of France 6-3, 6-4. Third-seeded American John Isner also progressed to the quarterfinals with a 7-6 (1), 3-6, 6-2 win over Lucas Lacko of Slovakia. Isners participation in the tournament had been in doubt because of an ankle injury, but he seemed fit in a match that lasted nearly two hours. American qualifier Steve Johnson beat Cypriot Marcos Baghdatis 7-5, 6-7 (3), 6-4 in a first-round match held over from Tuesday because of rain. In the mens exhibition tournament at Kooyong, former home of the Australian Open, Tomas Berdych, the No. 7-ranked Czech, beat Spains Fernando Verdasco 7-5, 6-2. The Australian Open begins on Monday at Melbourne Park. Ibraheim Campbell Jersey . The unrestricted free agent agreed to terms with the club on Thursday on a one-year, two-way deal worth $700,000. Antwaun Woods Jersey . Although taking two of three from the Baltimore Orioles wasnt nearly as uplifting as winning the World Series, it still felt pretty darn good. Felix Doubront and four relievers combined kept Baltimores potent lineup in check, and David Ortiz had three of Bostons 12 hits off Wei-Yin Chen in a 4-3 victory Thursday night. http://www.officialdallascowboysfootball.com/authentic-mike-white-jersey-womens . Footballs governing body said Tuesday that of the 2,577,662 tickets allocated for this years tournament, 1,041,418 have gone to people in Brazil. The U.LOS ANGELES -- Jason Collins of the Brooklyn Nets says he has received a text message from Billie Jean King and other messages of support since becoming the first openly gay athlete to play in one of the United States four major professional leagues. Collins says the text from the former tennis great was "very meaningful and very much appreciated." Collins spoke before the Netts practised at UCLA on Tuesday. Roger Staubach Jersey. They resume their road trip with a game at Portland on Wednesday night. Collins signed a 10-day contract on Sunday and played 10 scoreless minutes in a victory against the Los Angeles Lakers. He revealed at the end of last season that he is gay, but was a free agent and had remained unsigned until the Nets needed another big man. Cheap Buffalo Sabres Gear Wholesale Calgary Flames Jerseys Cheap Adidas Colorado Avalanche Jerseys Montreal Canadiens Outlet Store Wholesale New Jersey Devils Jerseys Adidas Arizona Coyotes Jerseys Cheap Adidas Boston Bruins Jerseys Cheap Adidas Carolina Hurricanes Jerseys Chicago Blackhawks Shop Free Shipping Wholesale Columbus Blue Jackets Jerseys Dallas Stars Shop Free Shipping Cheap Adidas Detroit Red Wings Jerseys Anaheim Ducks Jerseys China Wholesale Edmonton Oilers Jerseys Florida Panthers Shop Free Shipping Wholesale Los Angeles Kings Jerseys Minnesota Wild Outlet Store Cheap Adidas Nashville Predators Jerseys Cheap Adidas New York Islanders Jerseys New York Rangers Winter Classic Jerseys Cheap Adidas Ottawa Senators Jerseys Cheap Adidas Philadelphia Flyers Jerseys Wholesale Pittsburgh Penguins Jerseys Cheap Adidas San Jose Sharks Jerseys St. Louis Blues Winter Classic Jerseys Wholesale Tampa Bay Lightning Jerseys Toronto Maple Leafs Outlet Store Vancouver Canucks Outlet Store Cheap Adidas Vegas Golden Knights Jerseys Cheap Adidas Washington Capitals Jerseys Cheap Adidas Winnipeg Jets Jerseys ' ' '