The defensive line group set to hit free agency is filled with a few premium edge defenders and tackles. The depth of each group is strong. Five honorable mentions just missed the cut here. On the edge, Arden Key and Dorance Armstrong are two solid players. At tackle, Harrison Phillips, Sebastian Joseph-Day, and Justin Jones were also tough to leave off. Let’s assess the top 10 defensive linemen set to reach NFL free agency. Be sure to check out all of our other NFL content. 10. B.J. Hill, Cincinnati BengalsAfter a slow start to his career with the New York Giants, Hill was traded to the Benga…