Madison Keys upsets Garbine Muguruza in semifinals of Stanford Classic

Third seed Madison Keys pulls the upset, beating defending Wimbledon champion Garbine Muguruza in straight sets, 6-3, 6-2, on Saturday (August 5) to reach the final of the Stanford Classic in California. Awaiting Keys in the title clash is countrywoman CoCo Vandeweghe. Keys will be seeking her third WTA singles title. (Video courtesy: SNTV)