Former Teammate Tells Calvin Johnson To Unretire And Sign With New England Patriots - The Source
Calvin Johnson Considering Retirement
How did Calvin Johnson reach the point of considering retirement? - ESPN - Detroit Lions Blog- ESPN
Lions wide receiver Calvin Johnson announces retirement after nine seasons - Washington Times
Calvin Johnson brings an end to nine-year career with Detroit Lions, NFL News
Calvin Johnson Announces Retirement
Megatron retires at 30 — because he's smart
Should Cowboys call a retired WR Calvin Johnson, just to be sure?
MLive.com - Here's what Barry Sanders has to say about Calvin Johnson, Jr.'s retirement from the Detroit Lions today.
Lions' Calvin Johnson makes 'difficult decision' to retire
Calvin Johnson is a Hall of Fame wide receiver - Vintage Detroit Collection
Arizona Cardinals extend thanks, respect to Calvin Johnson
Terry Foster: Calvin Johnson Is Seriously Considering Retiring - CBS Detroit