Standout point guard Rajon Rondo is facing surgery after suffering a torn anterior cruciate ligament in his right knee. Rajon Rondo of the Boston Celtics is out for the season after injuring his knee. AP   BOSTON -- The Celtics' grip on the last playoff spot in the NBA's Eastern Conference already was slipping. Now they'll have to hang on without Rajon Rondo. Boston's star point guard will miss the rest of the season and undergo surgery for a torn anterior cruciate ... Read More