Calvin Johnson's Retirement Reveals Pain Impossible to Ignore for NFL Players, News, Scores, Highlights, Stats, and Rumors
Calvin Johnson of Detroit Lions candid on concussions
SportsCenter on X: Calvin Johnson says he is sure that he suffered at least nine concussions in the NFL, one for every season he played. (via @SInow) / X
Calvin Johnson says painkillers were handed out 'like candy' to NFL players - The Washington Post
Ringing the bell about NFL concussions - The Boston Globe
Report: Lions' latest offer not enough for Hall of Famer Calvin Johnson to end stand-off with team
Calvin Johnson opens up about painkillers, concussions in NFL
WATCH: Calvin Johnson Talks Painkillers, Concussions, And The Other Side Of NFL Life
Calvin Johnson: Playing through concussions is part of NFL life