Sisters' success in Miami unparalleled
KEY BISCAYNE, Fla. -- When professor Serena Williams was asked to grade Wednesday's first set against China's Li Na, she did not hesitate.
"I would give myself like an 8 percent out of 100, which is failing," she said, drawing laughter.
How about the entire quarterfinal match at the Sony Ericsson Open?
"The whole match is an F," Williams said. "But it is what it is. I'm honestly glad to get through it. I feel like I wasn't as ...
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