Vanderbilt’s defense was one of the worst units on that side of the football in the entire sport last season, which continues a trend for them from over the past few seasons. Still, heading into their second year under DC Nick Howell and after doing a lot of work in that aspect, Clark Lea likes where the Commodores are at the end of the spring. Lea spoke about Vandy’s defense as they came out of this part of their year last month. He said, although there’s still plenty more to do, they’ve committed a lot into improving that group as far as work in the area as well as development and acquisitio…