Today on BYU Sports Nation, Spencer Linton and Jarom Jordan discuss the defensive line impact going into 2017. Greg Wrubell joins to tell us what a "havoc rate" stat is and why the defense will be the key to a winning season. Plus Jarom Jordan tells us which of the BYU opponent coaches the Cougars need to look out for in the upcoming football season. Finally, aspiring ninja Taylor "Skippy" Bouton joined the show to tell us about his rigorous training process in trying out for the American Ninja Warrior.