Detroit's Calvin Johnson could have played his last snap in the NFL, NFL News
Calvin Johnson on finding golf in (early) retirement, that infamous overturned catch, and the time Tiger Woods made him blush, This is the Loop
The NFL Has Another Big Problem — More and More Players Are Retiring Early
Calvin Johnson: Breaking News, Rumors & Highlights
Understanding Lions WR Calvin Johnson's quiet retirement - Sports Illustrated
Calvin Johnson is a Hall of Fame wide receiver - Vintage Detroit Collection
Calvin Johnson: Breaking News, Rumors & Highlights