PHILADELPHIA, PA - SEPTEMBER 20: Tyron Smith #77 of the Dallas Cowboys lines up against Fletcher Cox #91 of the Philadelphia Eagles at Lincoln Financial Field on September 20, 2015 in Philadelphia, Pennsylvania. (Photo by Rich Schultz /Getty Images)
PHILADELPHIA, PA - SEPTEMBER 20: Tyron Smith #77 of the Dallas Cowboys lines up against Fletcher Cox #91 of the Philadelphia Eagles at Lincoln Financial Field on September 20, 2015 in Philadelphia, Pennsylvania. (Photo by Rich Schultz /Getty Images)