Calvin Johnson opens up about his early retirement, Aaron Rodgers
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Calvin Johnson officially announces his retirement
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Calvin Johnson brings an end to nine-year career with Detroit
Calvin Johnson of Detroit Lions retiring from NFL after nine
Calvin Johnson continues the trend of NFL stars retiring early
Calvin Johnson - Wikipedia
Lions star receiver Calvin Johnson retires after nine seasons
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Detroit Lions' Calvin Johnson paid back part of bonus before retiring
Calvin Johnson: Detroit Lions Wide receiver retires
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Understanding Lions WR Calvin Johnson's quiet retirement - Sports
Calvin Johnson Wants Signing Bonus Money Paid Back by Detroit