Calvin Johnson says he would have played for any other team before retiring, but Lions wouldn't let him go
Calvin Johnson said he wants to play with Derek Carr, suggests he'd still be playing football if Lions released his contract - Silver And Black Pride
Lions' Calvin Johnson makes 'difficult decision' to retire
Nine ridiculous stats that define Calvin Johnson's career
Understanding Lions WR Calvin Johnson's quiet retirement - Sports Illustrated
Report: Lions' latest offer not enough for Hall of Famer Calvin Johnson to end stand-off with team
Sheila Ford Hamp wants to mend fences with Calvin Johnson - ProFootballTalk : r/detroitlions
During the Lions' 0-16 Season, Megatron somehow ended up leading the NFL in receiving TD's with 12. The Lions only threw 18 TD's during the entire Season. : r/nfl
Calvin Johnson Gave Back At Least $1 Million Of His Signing Bonus To The Lions After He Retired
Pros and cons for top Detroit Lions draft prospects
Calvin Johnson retires: 'I have played my last game of football' - ABC7 Los Angeles
Throwback Highlight] Calvin Johnson catches a TD in triple coverage against the Bengals and Cowboys : r/nfl
Understanding Lions WR Calvin Johnson's quiet retirement - Sports Illustrated
Calvin Johnson Announces Retirement from NFL, News, Scores, Highlights, Stats, and Rumors
Why did Calvin Johnson retire?