ESPN Report Says Calvin Johnson Is Retiring From The NFL
Lions wide receiver Calvin Johnson announces retirement after nine seasons - Washington Times
Detroit Lions: Calvin Johnson Officially Retires from NFL
Lions WR Calvin Johnson Retires From NFL - WDET 101.9 FM
The Detroit Lions made a major mistake not trading Calvin Johnson - Pride Of Detroit
Calvin Johnson Contemplating Retirement from Lions, NFL
Calvin Johnson Stats, News and Video - WR
Calvin Johnson likely saying goodbye to game he's so great at - Sports Illustrated
Calvin Johnson opens up about his retirement
Calvin Johnson retires from NFL