Cowboys opponent preview: How will the Lions fill the void left by the retirement of Calvin Johnson?
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Georgia Tech Football: Calvin Johnson to be inducted to CFB Hall of Fame
NFL: Lions' Calvin Johnson is a student, and superstar, of the game
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NFL's headache worsens as Calvin Johnson says he hid concussions from team doctors – New York Daily News
2009 Upper Deck CALVIN JOHNSON #67 Detroit Lions
Kansas City Chiefs: Acquiring Calvin Johnson not a likely scenario
Rob Sims and Calvin Johnson Pivot From the NFL to Cannabis
Sullivan Dangers make football a dirty pleasure
Calvin Johnson: Feud with Lions won't be resolved until team 'figures out' how to pay $1.6M he's owed