Sock ousts Cilic from Open in third-round upset

By Larry Fine NEW YORK (Reuters) - American Jack Sock knocked former champion Marin Cilic out of the U.S. Open on Friday in a power-packed 6-4 6-3 6-3 third-round victory at Flushing Meadows. "It was a big match for me, a big goal of mine." Sock came to Flushing Meadows riding a high as a double medallist at the Rio Olympics with hopes to maintain the momentum after claiming a bronze in doubles with compatriot Steve Johnson and gold in mixed doubles with Bethanie Mattek-Sands. With his win at Lo