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FILE - In this May 8, 2009, file photo, Houston Rockets center Yao Ming (11), of China, walks off the court following the team's loss to the Los Angeles Lakers in Game 3 of a second-round Western Conference NBA basketball playoff series in Houston. Yao's broken left foot could be a "career-threatening" injury. Dr. Tom Clanton, the Houston Rockets' team physician, told the Houston Chronicle on Monday, June 29, 2009, that Yao's injury "has the potential for him missing this next season and could be career-threatening." (AP Photo/Eric Gay, File)