Calvin Johnson: Detroit Lions WR retires - SI Kids: Sports News
Calvin Johnson officially retires from NFL
Calvin Johnson wanted to finish Hall of Fame career elsewhere but
From Football to Flower: How Primitiv's Calvin Johnson Jr. and Rob
Lions' receiver Calvin Johnson retires after nine seasons - The
Lions' Calvin Johnson makes 'difficult decision' to retire
Calvin Johnson's retirement official
NFL Star Calvin Johnson Retiring
With Johnson's likely retirement, search for new No. 1 WR begins
Calvin Johnson at peace with retirement decision
Calvin Johnson credits Lions COO Disner for helping mend relationship