I retired from the NFL after one season - I was dubbed the most dangerous man in football after revealing my reasons why
Badgers football: Former UW great Chris Borland retiring from NFL after only one season, citing head injury worries
Chris Borland and the Revenge of History
He Gave Up MILLIONS…The Story of CHRIS BORLAND
49ers ex-linebacker Chris Borland salutes Pat Tillman
Chris Borland says he is paying back 3/4 of his signing bonus - Niners Nation
Pin by Ted Fries on 49er Faithful Sf 49ers, 49ers, San francisco 49ers
Experiment With Former NFL Players Led to New Training for College Athletes
Why the NFL Should Be Scared of Chris Borland