Badgers who walked away from football after concussions
Football: Top five Badger teams of our lifetime, part II · The Badger Herald
49ers Chris Borland retires from football, citing concern over head injuries - Field Gulls
Chris Borland: From NFL Star to Science Champion
Chris Borland in PSA ripping NFL for attacking facts about CTE
49ers ex-linebacker Chris Borland salutes Pat Tillman
Former NFLer Chris Borland helps others adjust to retirement - Sentinel Colorado
University of Wisconsin Football Players Downplay Warnings While Proof of Brain Injury — Even From Small Hits — Piles Up
Concussion talk no longer taboo in the NFL—commentary
He Gave Up MILLIONS…The Story of CHRIS BORLAND
How former San Francisco 49ers Chris Borland's retirement could change NFL forever - ESPN
49ers defensive end Justin Smith announces his retirement - Los Angeles Times
The Chris Borland Effect: He's Changed His Future, but Did He Change the NFL's?, News, Scores, Highlights, Stats, and Rumors
Chris Borland: Young American football player retires over concerns of brain injuries, The Independent
Chris Borland Stats, News and Video - ILB