Despite the threatening weather, action from the U.S. Clay Courts Championships continued today at River Oaks Country Club, 1600 River Oaks Blvd.br/Sam Querrey of the USA and Fernando Verdasco of Spain play in the center court.br/ID: Fernando Verdasco chases down a shot close to the net in the second set.br/Saturday April 11, 2015 (Craig H. Hartley/For the Chronicle)