Rangers defenseman Marc Staal has been cleared for light physical activity, a source confirmed to ESPNNewYork.com Thursday. The news, first reported by the New York Post, is considered a small step in what has been a lengthy and uncertain road to recovery for the 24-year-old, who is still experiencing the effects of a concussion suffered in February. Read more: http://espn.go.com/new-york/nhl/sto...ight-activity-concussion-recovery-source-says