Dallas Cowboys
Geometry
Horse Tack

The 'horse collar' rule is more commonly know to Cowboys fans as what?

212223

Answer

User Avatar
Wiki User
11/07/2007

Cowboys fans dubbed it the Roy Williams Rule due to Williams frequently using the shoulder pads to tackle a ball carrier. Several players suffered injuries due to the tackle, most notably a fractured leg of Terrell Owens. The rule was enacted in the May, 2005.