2014 NFL Draft results: Meet the complete list of 49ers draft picks - Niners Nation
San Francisco 49ers LB Chris Borland to retire due to safety concerns - Sports Illustrated
Fans still ask ex-49er why he quit; he keeps telling his story
The strengths and weaknesses of Dante Pettis
First-game flaws too familiar for 49ers
Chris Borland Retires at Age 24 Over Concussions
49ers: What NFL might be like with no Alex Smith-Colin Kaepernick swap
San Francisco 49ers: Who Will Replace Patrick Willis and Chris Borland?, News, Scores, Highlights, Stats, and Rumors
49ers' rookies made big impact in 2017
Cowboys' key to stopping 49ers' Brock Purdy could lie in the young QB's aggressiveness