Super Bowl winner admits he regrets playing in NFL after concussion fears - Mirror Online
Former Packers DB Sam Shields Says He Regrets NFL Career - video Dailymotion
Sam Shields College Highlights - Miami (Fl.)
Sam Shields' two-year journey back to the NFL from concussion - Sports Illustrated
Sam Shields waging comeback with Rams, in spite of concussion history – Orange County Register
Just Shake it Off: Addressing the Issues with NFL Safety – The Prospect
The #Packers are placing All-Pro LT David Bakhtiari on Injured Reserve, knocking him out at least the next four games, per me and @TomPelissero. But given his knee situation, it's unclear when
Ex-Packer Sam Shields REGRETS playing in NFL after concussions left his head 'all mushed together'
He hasn't changed the plan
Super Bowl champion Sam Shields shares story of regret, says concussions left his head 'all mashed up'
Denver Broncos offense key to any playoff run - Mile High Report
Bears–Packers rivalry - Wikipedia
What happened to Sam Shields? Former Packers star admits he regrets NFL career despite Super Bowl win
Former NFL star Sam Shields regrets playing football
Rams' Sam Shields fights back from concussions to 2nd Super Bowl – Boston Herald