Agent: Still no decision on Calvin Johnson's future
Calvin Johnson to Stay Retired from NFL, Might Donate Brain for Research, News, Scores, Highlights, Stats, and Rumors
Detroit Lions Player Calvin Johnson Retires from Football
Pat Caputo – Calvin Johnson, Detroit Lions, NFL, his legacy and why it is complicated – The Morning Sun
Lions' star WR Calvin Johnson to retire - Bucs Report
The Life And Career Of Calvin Johnson (Story)
With Johnson's likely retirement, search for new No. 1 WR begins, PFF News & Analysis
Pin on 4th And Goal: American Football
When Calvin Johnson retired, he left a Hall of Fame legacy that hopefully won't be forgotten