Understanding Lions WR Calvin Johnson's quiet retirement - Sports Illustrated
Calvin Johnson officially announces his retirement
I'm an NFL icon and one of the greatest wide receivers ever - now I do an unusual new day job in post-retirement career
Calvin Johnson Is Officially Retiring From the NFL
Lions' Calvin Johnson makes 'difficult decision' to retire
Former Lions WR Calvin Johnson on Jameson Williams: 'Anything I can do to help him, I'll do that
Calvin Johnson Speaks About His Retirement, Legacy
Around Sports: Lions' Calvin Johnson retires after 9 seasons
Lions' Calvin Johnson mulls retirement
Calvin Johnson will reportedly retire from the Detroit Lions
Lions' Calvin Johnson Retires From NFL - CBS Chicago
It's true: Lions' Megatron Calvin Johnson will retire from football at age 30