 Additionally, the halfback became a more viable runner than in the single-wing and the quarterback, normally just a blocking back in the single-wing, could become a passer since the center could snap the ball directly to him.The Notre Dame Box relied on a great deal of deception, caused by backs shifting frequently, rather than the pure power of the single-wing.Teams would often adopt the Notre Dame Box if they lacked a true "triple threat" tailback, necessary for effective single-wing use.