Report: Calvin Johnson told family, Lions he plans to retire
Calvin Johnson opens up on riff with Lions: 'It straight up stung' : r/detroitlions
Calvin Johnson - Wikipedia
Calvin Johnson: Bigger, Stronger, Faster and, Maybe Soon, Retired - The New York Times
Calvin Johnson hints at a reconciliation with the Detroit Lions
ESPN Report Says Calvin Johnson Is Retiring From The NFL
Calvin Johnson says players could get painkillers like candy
Report: Calvin Johnson told Lions he plans to retire
Lions reportedly got trade offers for retired WR Calvin Johnson, 'willing to listen'
Calvin Johnson content in retirement, not 'treated the way I should have been' by Lions