10 greatest 49ers one-hit wonders in franchise history
49ers Linebacker Quits After 1 Season, Citing Safety Concerns : The Two-Way : NPR
396 Chris Borland Photos and Premium High Res Pictures - Getty Images
Pin on NFL San Francisco 49ers
Chris Borland named NFL defensive rookie of the month - ProFootballTalk
Fearing brain injury, 49ers' Chris Borland retires after one year | The Sacramento Bee
The 49ers Strike Gold with Chris Borland, the Next Great 'Too Short' Linebacker | News, Scores, Highlights, Stats, and Rumors | Bleacher Report
NFL releases statement on Chris Borland's retirement
Ex-49er Chris Borland still asked why he quit — and he keeps explaining – East Bay Times
Nonsense; Chris Borland's retirement isn't going to change the NFL | For The Win
/arc-anglerfish-arc2-prod-pmn.s3.amazonaws.com/public/GDVKMGW5HNGZBIFWZURCF3V6NM.jpg "As a parent, it's easy to see Borland used his head")
As a parent, it's easy to see Borland used his head
Ex-49er Chris Borland still asked why he quit — and he keeps explaining – East Bay Times
NFL Pro Line San Fransisco 49ers Chris Borland #50 Jersey Stitched Numbers L | eBay
49ers' Chris Borland Retires From NFL Over Safety Concerns
49ers: When Borland's faults are IDd, he fills in the cracks
NFL Pro Line San Fransisco 49ers Chris Borland #50 Jersey Stitched Numbers L | eBay
Former Badger Borland retires from NFL due to concerns about head trauma | FOX Sports
Chris Borland retirement from 49ers shows shift in attitude - Sports Illustrated
Tre Mason, Chris Borland
Lowell Cohn: Chris Borland's retirement a choice to admire
Ex-49er Chris Borland still asked why he quit — and he keeps explaining – East Bay Times
/cdn.vox-cdn.com/uploads/chorus_image/image/45742496/usa-today-8273980.0.jpg "San Francisco 49ers 2014 roster review: Inside linebackers - Niners Nation")
San Francisco 49ers 2014 roster review: Inside linebackers - Niners Nation
San Francisco 49ers' Chris Borland reveals a concussion during camp made him walk away | Daily Mail Online
![node:title] San Francisco 49ers Rookie Chris Borland Retires at 24 For Concussion Concerns - Men's Journal](https://www.mensjournal.com/.image/ar_1:1%2Cc_fill%2Ccs_srgb%2Cfl_progressive%2Cq_auto:good%2Cw_1200/MTk2MTM2NTgxNzA3MjEyMjkz/main-nfl-rookie-retires.jpg "node:title] San Francisco 49ers Rookie Chris Borland Retires at 24 For Concussion Concerns - Men's Journal")