Calvin Johnson - Wikipedia
Calvin Johnson brings an end to nine-year career with Detroit Lions, NFL News
Lions reportedly got trade offers for retired WR Calvin Johnson, 'willing to listen'
Calvin Johnson Announces Retirement
Calvin Johnson Retires as Owner of Multiple NFL Records, News, Scores, Highlights, Stats, and Rumors
Lions' star WR Calvin Johnson to retire - Bucs Report
Calvin Johnson Detroit Lions Nike Retired Player Vapor Untouchable Limited Throwback Jersey - Blue
Detroit Lions Player Calvin Johnson Retires from Football
Ex-Lion Nate Burleson: Calvin Johnson's retirement no sure thing
Former Lions WR: Tupac is alive, and Calvin Johnson is coming back
Ex-teammate compares Calvin Johnson's retirement to Tupac's death
Detroit Lions' Calvin Johnson's Possible Retirement Compared to Tupac's Death - XXL
Lions' Calvin Johnson retires officially after nine NFL seasons - Acme Packing Company