As we creep closer to the NFL Draft, I wanted to do a deep dive into the top three defensive linemen available in this year’s class. Last week, I looked at Ohio State’s Nick Bosa, who will surely go in the top three picks. Bosa was the clear top prospect when the 2018 season began — unlike the other two top defensive linemen in the draft, who were late bloomers — and he has remained near the top of every NFL draft board since.



Kentucky’s Josh Allen, who I’ll analyze next week, was on the NFL radar two years ago, but then returned to school for his senior year and dramatically helped his draft stock. Then there is Alabama’s Quinnen Williams — a player no NFL scout had ever heard of a year ago. His rise has been pretty unique.



Williams truly was an unknown heading into the 2018 season. After redshirting in 2016, he had a limited role as a freshman in 2017 on a Crimson Tide team with countless NFL stars, so it was a...