When Calvin Johnson retired, he left a Hall of Fame legacy that hopefully won't be forgotten
NFL on FOX - If Calvin Johnson played another five years after he retired, what do you think his career numbers would be? 👀 (Detroit Lions)
Lions' Calvin Johnson mulls retirement
Calvin Johnson will reportedly retire from the Detroit Lions
Bell: Only the NFL grind could stop Calvin Johnson
Agent: Still no decision on Calvin Johnson's future
Calvin Johnson announces his retirement from the NFL - The Washington Post
The Detroit Lions made a major mistake not trading Calvin Johnson - Pride Of Detroit
NFL World Reacts To Troubling Calvin Johnson Update - The Spun: What's Trending In The Sports World Today
Detroit Lions receiver Calvin Johnson ends brilliant NFL career at age 30, Detroit Lions
Lions' receiver Calvin Johnson retires after nine seasons - The Boston Globe
Calvin Johnson - Wikipedia