Retiring 49er Chris Borland to pay back NFL signing bonus - Sports Illustrated
He Gave Up MILLIONS…The Story of CHRIS BORLAND
49ers hit hard after unexpected offseason departures - The Boston Globe
2014 Prizm #AR-CB Chris Borland Gold Holo Auto /150 San Francisco 49ers
So Long, NFL: San Francisco 49ers' Chris Borland is no hero
Pin by MICHAEL GRIEGO on Sports American football players, American football, Nfl players
San Francisco 49ers Linebacker Chris Borland Retires From The NFL
Chris Borland says he'll return portion of bonus money to 49ers
Chris Borland unlikely to play again this season - NBC Sports
Five Fun Facts About Chris Borland - Fangirl Sports Network
49ers Chris Borland retires from football, citing concern over head injuries - Field Gulls