Marat Safin and Andy Roddick will need to play their top games to reach the final of the Masters Cup.
It's the weaker group at the Masters Cup -- if you can call the No. 2 player and the hottest hitting guy on tour weak.
Andy Roddick alone won't be able to defeat Spain; he'll need help from his teammates.
The next seven best players, after Roger Federer, will all be jockeying for positions in the final year-end rankings.
With a 2-0 lead the U.S. sits in great position to reach the Davis Cup final.
The U.S. Open could be another feather in Roger Federer's cap or the beginning of Andy Roddick's attempt to take back the No. 1 ranking.