Calvin Johnson retires: 'I have played my last game of football' - ABC7 Chicago
NFL Notebook: Lions' Calvin Johnson retires - West Central Tribune
Calvin Johnson says players could get painkillers like candy
Lions wide receiver Calvin Johnson retires from NFL
Megatron memories: Calvin Johnson rewatches the greatest moments from a Hall of Fame career - The Athletic
Lions WR Marvin Jones puts up numbers after Calvin Johnson's retirement – Daily News
Lions' Calvin Johnson makes 'difficult decision' to retire
Calvin Johnson retires as the Lions' all-time leading receiver
Darrelle Revis throws shade at Calvin Johnson on Instagram
Calvin Johnson officially retires from NFL
Calvin Johnson Officially Retires From the NFL, News