Calvin Johnson tells Detroit Lions 2015/16 NFL season was his last
Detroit Lions: Wide receiver Calvin Johnson retires - Sports Illustrated
Report: Calvin Johnson told Lions he planned to retire
Lions' Calvin Johnson Retires From NFL - CBS Chicago
Calvin Johnson officially announces his retirement
Former Lions WR Johnson ready to join football royalty in Hall of
Calvin Johnson retires from NFL
Calvin Johnson: Lions told him to change concussion story
Detroit Lions Star Wide Receiver Calvin Johnson Unexpectedly
Report: Calvin Johnson told Lions he plans to retire
Calvin Johnson Explains Why He Retired After the 2015 Season
Former Teammate Tells Calvin Johnson To Unretire And Sign With New
Sports world reacts to Calvin Johnson's retirement
Calvin Johnson: I'm Not Coming Back, Man