Caroline Wozniacki, of Denmark, holds her knee as she waits to be tended to during the quarterfinals of the New Haven Open tennis tournament in New Haven, Conn., on Thursday, Aug. 23, 2012. Wozniacki who fought through the injury to her right knee to beat Dominika Cibulkova 6-2, 6-1, says she'll get the knee examined to determine the extent of the injury before deciding whether to play in the semifinals on Friday. (AP Photo/Journal Inquirer, ...
more Caroline Wozniacki, of Denmark, holds her knee as she waits to be tended to during the quarterfinals of the New Haven Open tennis tournament in New Haven, Conn., on Thursday, Aug. 23, 2012. Wozniacki who fought through the injury to her right knee to beat Dominika Cibulkova 6-2, 6-1, says she'll get the knee examined to determine the extent of the injury before deciding whether to play in the semifinals on Friday. (AP Photo/Journal Inquirer, Jessica Hill)
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