It's true: Lions' Megatron Calvin Johnson will retire from football at age 30
Calvin Johnson was THAT GUY #calvinjohnson #detroitlions #nfl #megat
Is Calvin Johnson a first-ballot Hall of Famer? The Athletic's voters weigh in - The Athletic
Offseason Outlook: Detroit Lions
Detroit Lions receiver Calvin Johnson ends brilliant NFL career at age 30, Detroit Lions
Former Lions receiver Calvin Johnson inducted into Pro Football Hall of Fame
Calvin Johnson: Career retrospective
Lions' Calvin Johnson Defies Description - The New York Times
Is Calvin Johnson a first-ballot Hall of Famer? The Athletic's voters weigh in - The Athletic
Like almost everything he does, Calvin Johnson's camp is different - ESPN - Detroit Lions Blog- ESPN
All Hail Megatron - Calvin Johnson Announces Retirement - GARBER SPORTS