Pin by Jerry Piotrowski on Detroit Lions Ncaa football, Nfl players, Calvin johnson
Lions star WR Calvin Johnson retires after 9 seasons – Daily Freeman
Calvin Johnson retires from NFL
Megatron could be passing torch to Brown, others
Understanding Lions WR Calvin Johnson's quiet retirement - Sports Illustrated
Calvin Johnson retires: Look back on his best NFL moments, NFL News
Calvin Johnson retires: 'I have played my last game of football' - ABC7 San Francisco
Lions' receiver Calvin Johnson retires after nine seasons - The Boston Globe
A Look Back at Calvin Johnson's Shocking Retirement
SportsCenter - The Detroit Lions make it official: Calvin Johnson, Jr. is retiring. Megatron walks away as the franchise's all-time leader in a number of categories.
Waiting for Megatron: The latest news on Calvin Johnson - Pride Of Detroit