Calvin Johnson retires as the Lions' all-time leading receiver
It's official: Lions announce that Calvin Johnson has retired
Vikings React to Calvin Johnson's Retirement
Megatron getting a different reaction than Barry did when he
Understanding Lions WR Calvin Johnson's quiet retirement - Sports
Lions pay tribute to Hall of Famer Calvin Johnson; fans boo ownership
SportsCenter - The Detroit Lions make it official: Calvin Johnson
Calvin Johnson full-page retirement letter. : r/nfl
Lions WR Calvin Johnson retires from NFL – New York Daily News
Lions' Calvin Johnson announces retirement from NFL