Ex-Packer Sam Shields REGRETS playing in NFL after concussions left his head 'all mushed together'
Sam Shields ruled out vs. Vikings
Super Bowl champion Sam Shields shares story of regret, says concussions left his head 'all mashed up'
Everybody was over with me': Sam Shields' heartbreaking admission about playing in the NFL
What Sam Shields' Release Means for the Packers
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Shields, Daniels held out of Thursday's practice
Former Packers DB Sam Shields Now Says He Regrets NFL Career - Sports Illustrated