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 on After being accused of cheating, Tony Dungy says sign stealing has existed since the beginning of organized sport.Published Feb 8, 2017 | Modified Feb 8, 2017SI STAFFShare on FacebookShare on XHome/NFL