Chris Borland's retirement won't slow the NFL pipeline – but
Badgers football: Chris Borland's decision to step away still
Happy for that he was able to make the best decision for him, but
Chris Borland's abrupt departure jolts the NFL
Episode 019: Chris Borland – Why He Walked Away From Millions Of
How many millions did 49ers' Chris Borland give up by retiring at 24?
49ers Will Have Major Cap Space in 2016 Free Agency
Chris Borland talks 'early' retirement in UW-Madison guest lecture
San Francisco 49ers' Chris Borland Retires at 24 Over Concussion
Concussion Concern: LB Retires After One NFL Season