Calvin Johnson - Wikipedia
Wood dismayed with Calvin Johnson situation, invites him to Lions camp
Calvin Johnson retires: 'I have played my last game of football
Detroit Lions: Calvin Johnson is no Barry Sanders
Calvin Johnson checks out Lions minicamp as he continues to mend
Calvin Johnson Jr. Foundation
Former Georgia Tech and Detroit Lions Standout Calvin Johnson
Calvin Johnson: Detroit Lions 'not serious' about mending fences
Calvin Johnson: Former All-Pro invited to Detroit Lions camp next
Calvin Johnson Jr., NFL Database Wiki
Calvin Johnson says he'll reconnect with Lions on one condition