No US male in quarterfinals at Key Biscayne

As Sam Querrey left the court Tuesday, two youngsters cradling huge stuffed tennis balls leaned over a first-row railing, hoping for an autograph from the highest-ranked American in men's tennis.

http://www.newstalkradiowhio.com/news/ap/top-news/serena-williams-advances-to-key-biscayne-semis/nW4s9/