Richie Incognito released by Bills from retired list - Sports
Controversy-filled career of Richie Incognito appears to be over
Raiders' Richie Incognito announces retirement
Infamous Raiders OL announces retirement
Raiders' Richie Incognito Announces Retirement From The NFL – OutKick
Raiders' Richie Incognito embracing leadership role on OL
Raiders sign guard Richie Incognito
Las Vegas Raiders' guard Richie Incognito announces NFL retirement
Raiders News: Richie Incognito Announces Retirement
Las Vegas Raiders' Richie Incognito announces retirement - ESPN