NFL NFL Draft Speed Training Justin Jefferson 4.40 LSU at NFL Combine 6 years ago Dave Schuman https://nucsports.com/wp-content/uploads/2020/02/604545441_z8m-mqgrsueppfce.mp4 About Author Dave Schuman See author's posts Tags: Justin Jefferson 4.40 LSU at NFL Combine Post navigation Previous NUC Sports Review and Testimonial From Coach Wayne Wilkes, Walker HSNext ‪Excellent plyo explosion drills for vertical jump‬
