The Sony Ericsson Championships will decide whether Amelie Mauresmo, Maria Sharapova or Justine Henin-Hardenne will finish the year ranked No. 1 in the world. Matt Wilansky and Keith Hawkins break down this year's field.
There's very little Roger Federer has failed to accomplish. After breaking down the numbers, here are the Top 20 facts about Federer.
Roger Federer will have to beat Rafael Nadal for the first time this season if he wants to win his fourth straight Wimbledon title.