Andy Roddick tuned up for Sunday's final at the Sony Ericsson Open by playing two sets of celebrity doubles to benefit Chilean earthquake victims. Fernando Gonzalez of Chile organized the event Saturday with Roddick's help. Grand Slam champions Jim Courier and Gustavo Kuerten also played. Roddick came up with the shot of the match -- a back-to-the-net flick through his legs and between his... More...