Former Chiefs QB Alex Smith announces NFL retirement via Instagram
NFL QB Alex Smith announces retirement in moving Instagram video
Former 49er Alex Smith announces retirement from NFL after 16
BREAKING: Alex Smith Retires
Alex Smith retires after comeback from gruesome leg injury
Former 49er quarterback Alex Smith announces retirement
Alex Smith retires from NFL after incredible comeback season
Alex Smith announces retirement after astonishing comeback from
Alex Smith's miraculous comeback, and why he opted for retirement
Alex Smith's miraculous comeback, and why he opted for retirement
Alex Smith has major praise for Patrick Mahomes as player, person
Why Alex Smith returned to the NFL after life-threatening injury