PFF's Austin Gayle and Mike Renner discuss the traits that PFF looks for when scouting prospects on the defensive side of the ball. 🏈2021 Fantasy Football Rankings: https://www.pff.com/fantasy/rankings 🚀2021 Fantasy Football Projections: https://www.pff.com/fantasy/projections 💥Fantasy Football Stats & Advanced Metrics: https://www.pff.com/fantasy/stats 💯PFF NFL Player Grades: https://www.pff.com/grades 🕶 PFF Premium Stats: https://premium.pff.com/nfl/teams?sea...