Lions star WR Calvin Johnson, 30, retires after 9 seasons
Detroit Lions' Calvin Johnson is retiring and is 'at peace with it'
Calvin Johnson brings an end to nine-year career with Detroit
Athletes who retired early
Goodbye Megatron: Lions announce that Calvin Johnson is retiring
Monarrez: How I'll remember the quiet, funny Calvin Johnson
Detroit Lions: Calvin Makes Statement About Decision to Retire
Calvin Johnson officially retires from NFL
Calvin Johnson's retirement official
Lions star Calvin Johnson retires
Calvin Johnson: 'I have played my last game'
Detroit Lions receiver Calvin Johnson ends brilliant NFL career at
Calvin Johnson - Wikipedia