Newport, RI - An all-American quarterfinal saw Jack Sock upset top-seeded John Isner, while two-time runner-up Lleyton Hewitt safely secured a berth in the semifinals at the Hall of Fame Tennis Championships. The seventh-seeded Sock straight-setted the two-time Newport champion Isner 6-4, 7-6 (7-4), with Sock recording the only break of the match in the opening set. This marks the 21-year-old Socks first win in four tries against the 6- foot-10 world No. 12 Isner. Meanwhile, the third-seeded former world No. 1 Hewitt handled sixth-seeded two-time NCAA singles champion Steve Johnson, of the United States, 6-4, 6-4 on the grounds of the International Tennis Hall of Fame. Hewitt lost to Frances Nicolas Mahut in last years Newport final and gave way to Isner in the 2012 title tilt. The 33-year-old two-time Grand Slam champion Hewitts opponent on Saturday will be the talented Sock. The two have never met on court. Saturdays other semi will pit second-seeded Croat Ivo Karlovic against upstart Aussie Samuel Groth, who were a pair of quarterfinal winners here on Thursday. The 2014 Newport titlist will earn $81,500. Robin Ventura Jersey . - The Pittsburgh Pirates plan on keeping promising left fielder Starling Marte playing alongside National League MVP Andrew McCutchen for years to come. Ozzie Guillen Jersey . - After spending the morning in the hospital, Logan Couture gave the San Jose Sharks the spark they needed. http://www.whitesoxteamshop.com/White-Sox-Jose-Abreu-Kids-Jersey/ . -- Damian Lillard couldnt believe when he got a clear look at the rim. Luis Aparicio Jersey . - Canadian tennis star Eugenie Bouchard has signed with WME-IMG, saying the sports management powerhouse will help maximize the value of my brand. Carlos Rodon Jersey . The NFL announced Friday that the Texans sixth-year veteran offensive lineman will replace Philadelphia Eagles tackle Jason Peters in the Jan.Top-seeded Daniela Hantuchova of Slovakia beat last years runner-up Lourdes Dominguez Lino of Spain 7-5, 6-2 on Wednesday to reach the quarterfinals of the Grand Prix SAR. Hantuchova won five straight games to take the first set and lead 2-0 in the second. Garbine Muguruza of Spain, Peng Shuai of China and Shahar Peer of Israel also won their second-round matches. The fifth-seeded Muguruza broke serve six times in her 6-3, 6-2 win over Stefanie Voegele of Switzerland. Muguruza will face Peer, who overcame Patricia Mayr-Achleitner of Austria 7-6 (4), 4-6, 7-6 (3) in a match that lasted more than three hours. Peer took a 4-0 lead in the final tiebreaker after Mayr failed to serve out the match at 5-4 and 6-5 in the last set.dddddddddddd The sixth-seeded Peng defeated Ukrainian qualifier Maryna Zanevska 6-4, 7-6 (5) to next play Hantuchova. Zanevska made five double-faults and dropped serve at 5-4 in the first set. Peng rallied from a 5-2 deficit in the final set and led 5-1 in the tiebreaker. In her return from injury, Polona Hercog of Slovenia cruised past seventh-seeded Zhang Shuai of China 6-2, 6-2 to move into the second round. Hercog broke Zhang twice in the first set and three times in the second. She has been sidelined by a right rib injury since the Australian Open where she retired in the first round because of a right shoulder injury. Authentic Bills JerseysDolphins Stitched JerseysCheap Patriots JerseysWholesale Jets JerseysWholesale Texans JerseysCheap Colts JerseysJaguars Jerseys StoreAuthentic Titans JerseysAuthentic Broncos JerseysAuthentic Chiefs JerseysCheap Raiders JerseysChargers Jerseys StoreCheap Ravens JerseysWholesale Bengals JerseysCheap Browns JerseysSteelers Jerseys StoreWholesale Cowboys JerseysWholesale Giants JerseysAuthentic Eagles JerseysCheap Redskins JerseysAuthentic Falcons JerseysPanthers Jerseys StoreWholesale Saints JerseysAuthentic Buccaneers JerseysWholesale Cardinals JerseysCheap 49ers JerseysSeahawks Jerseys StoreWholesale Rams JerseysWholesale Bears JerseysAuthentic Lions JerseysCheap Packers JerseysVikings Jerseys Store ' ' '