Chris Borland's retirement: Is an NFL player's brain really more important than his feet?
node:title] San Francisco 49ers Rookie Chris Borland Retires at 24 For Concussion Concerns - Men's Journal
Athlete to Educator: Chris Borland wants to talk
Despite Chris Borland's retirement, football remains a personal choice in high school community - Washington Times
Chris Borland's early retirement shifts focus of head injuries in NFL - Los Angeles Times
49ers ex-linebacker Chris Borland salutes Pat Tillman
Chris Borland Retires from NFL at Age 24: Latest Details, Comments and Reaction, News, Scores, Highlights, Stats, and Rumors
Hard Truth On Wisconsin Magazine
Nonsense; Chris Borland's retirement isn't going to change the NFL
NFL Player Chris Borland Retires Due to Concussion Risk
San Francisco 49ers Chris Borland retires over repeated head trauma
Chris Borland Retirement: Is Football Worth It?