The second-ranked Williams has dropped four straight matches for the first time in her career, retiring this week from a first-round match against Francesca Schiavone with a nagging knee injury. The unprecedented skid comes two weeks after her swipe at top-ranked Dinara Safina on the eve of the Italian Open. "We all know who the real No. 1 is," Williams said. "Quite frankly, I'm the best in the world."
Text: Bryan Armen Graham/SI.com
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