Friday's news roundup: Peyton Manning recalls his comeback from neck surgery
Devon Walker is confined to a wheeler but hopeful of beating paralysis from neck down
Former Oakland Raider wants to bring aspects of teamwork to Washington D.C.
Rams QB, who's from Oklahoma City, is force behind #STL4OKC fundraising drive
League now requires rigorous physical exams before players can return from concussions
At Impact of Sports Conference, Tom Corbett says changes helping to make sports safer