If Calvin Johnson Retires, Can Any WR Fill His Shoes?
Calvin Johnson will reportedly retire from the Detroit Lions
Calvin Johnson officially announces his retirement
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Calvin Johnson on Life and the Detroit Lions!
Beloved Calvin Johnson was once-in-a-generation talent, and man
Could two receivers break Calvin Johnson's single-season yardage
Detroit Lions: Calvin Makes Statement About Decision to Retire
Rogers: Calvin Johnson deserved better from Lions
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NFL notes: Calvin Johnson tells Lions he's retiring, report says