Roddick May Be Key to U.S. Davis Cup Win (AP) AP - Three months ago, Andy Roddick swept Rafael Nadal 6-0, 6-3, 6-4 in the second round of the U.S. Open. Don't expect it to be that easy when Roddick plays the 18-year-old Spaniard in the Davis Cup final Friday. This time, the match is on clay. And Nadal will be cheered by an expected record crowd of 26,600 at Olympic Stadium. 

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