How good would Calvin Johnson be if he didn't retire? #calvinjohnson #, calvin johnson fingers
Report: Calvin Johnson told Lions he plans to retire
The NFL Has Another Big Problem — More and More Players Are Retiring Early
Lions' Calvin Johnson makes 'difficult decision' to retire
Megatron May Retire, But He Isn't Washed Up
When Calvin Johnson retired, he left a Hall of Fame legacy that hopefully won't be forgotten
Calvin Johnson on concussions, injuries - Sports Illustrated
Detroit Lions: Calvin Johnson Is Happily Retired
NFL on FOX - If Calvin Johnson played another five years after he retired, what do you think his career numbers would be? 👀 (Detroit Lions)
Calvin Johnson: I wanted to play elsewhere, Lions wouldn't let me - NBC Sports