Calvin Johnson opens up about his early retirement, Aaron Rodgers' recruitment pitch, ongoing rift with Lions
Calvin Johnson retires, which means Eagles won't face him in 2016 - Bleeding Green Nation
Vikings React to Calvin Johnson's Retirement
Calvin Johnson Contemplating Retirement from Lions, NFL
Lions WR Calvin Johnson Retires From NFL - WDET 101.9 FM
Calvin Johnson says Lions mistreated him when he retired, isn't plotting a return
Detroit Lions: Calvin Johnson Officially Retires from NFL
If Calvin Johnson retires, who is the Detroit Lions' best remaining player? - Pride Of Detroit
Calvin Johnson announces his retirement from the NFL - The Washington Post
Understanding Lions WR Calvin Johnson's quiet retirement - Sports Illustrated
Calvin Johnson Announces Retirement from NFL, News, Scores, Highlights, Stats, and Rumors
Calvin Johnson: The Legacy of Megatron — The Sporting Blog