Mutombo says career is over

Rockets center went down in first quarter with bad knee injury -- Dikembe Mutombo was jockeying for position with Greg Oden on a rebound late in the first quarter Tuesday night, and in an instant everything changed. Mutombo, who has been a defensive spark for the Rockets for 5 seasons, fell to the floor. He grabbed his knee and rolled around in obvious pain. The Rockets said it was a knee strain, but you knew it was more than that. An emotional Mutombo confirmed it after the game when asked if his season was over. "No," said Mutombo....