Yao has stress fracture of ankle

All-star center's future now in serious doubt after latest injury revealed

HOUSTON, Texas - Yao Ming has a stress fracture of his left ankle and the Houston Rockets said there is no timetable for the return of the 7-foot-6 center whose NBA career may be in serious jeopardy after a series of injuries.

Yao has been out since Nov 10 with what had been called a bone bruise in the same ankle. An MRI performed on Thursday revealed the stress fracture.