Tony Dungy: Teams have stolen signs legally for yearsAfter being accused of cheating, Tony Dungy says sign stealing has existed since the beginning of organized sport.SI Staff|Share on FacebookShare on XAdd us as a preferred sourceAfter being accused of cheating, Tony Dungy says sign stealing has existed since the beginning of organized sport.Loading recommendations... Please wait while we load personalized content recommendationsPublished Feb 8, 2017 | Modified Feb 8, 2017SI STAFFShare on FacebookShare on XHome/NFL