Dallas Cowboys -- 'Male Cheerleader' Dominates 'American Ninja Warrior'

Tony Romo should pay close attention ... because a male cheerleader from the Dallas Cowboys ran a CLINIC in how to win on last night's "American Ninja Warrior" -- and it was awesome. 25-year-old Kevin Klein -- who runs the giant Cowboys flags…

Olivia Munn Olivia Wilde Padma Lakshmi Paige Butcher