Two months after suffering a torn ligament in his neck, Dallas Cowboys linebacker Sean Lee has not been fully cleared by the team's medical staff. Lee, who has been rehabbing and working out at Valley Ranch since the season ended, said the neck has improved and he is feeling healthy. The Cowboys open their official offseason program on April 21. "I'm working all the neck exercises," Lee said. "I think it was just having time to heal, allowing that ligament to heal, and it takes a certain amount of time. I think we're on the path to where it's pretty much there." Read more http://espn.go.com/dallas/nfl/story...waiting-clearance-doctors-says-neck-improving