Philadelphia, PA -- (Sports Network) - Philadelphia 76ers center Jason Smith suffered a torn anterior cruciate ligament in his left knee.

Sixers general manager Ed Stefanski said Smith was hurt during normal basketball activity on Wednesday.

Smith was examined Thursday night and will receive a second opinion from Dr. Dave Altchek in the coming weeks. No timetable has been set for his return.

The Colorado State product averaged 4.5 points and 3.5 rebounds in 76 games during his rookie campaign last season. He played five games during the recently completed Las Vegas Summer League and averaged 18.6 points with 8.0 rebounds.