Thursday's health Bobby Cox Jersey and safety news from the world of football: that running back has decided to retire after he tried for two years to come back from a horrific knee injury while playing at South Carolina. former NFL running back Herschel Walker, who talked to troops at Travis Air Force Base about dealing with mental illne s. the team's cheerleaders, who have been nominated for the Salute To Service Award. that Fox Sports will air part of its NFL pre-game show on Sunday from Fort Benning. Anna Isaacson, who was chosen to become the NFL's vice president of social responsibility. the Boston Brawlers of the FXFL, whose players are hoping for one more shot at the NFL. on the sideline video robot used by Dartmouth to connect neurologists to the football team. the helmets being used by local high schools and whether they meet the standards of the Ender Inciarte Jersey Virginia Tech STAR ratings. that the University of Arkansas will bring together representatives from many colleges for a concu sion summit next week. at early plastic football helmets and how they often cracked on impact. to high school officials who are concerned that sports specialization can lead to more injuries.-- Bill Bradley, contributing editor