With spring practice in the books and the second transfer portal window closed, it’s time to kickstart our summer series evaluating 2024 positional unit rankings. I debuted the series with a look at the 10 best quarterback rooms, and then ranked Top 10 running back units in 2024, the best tight end rooms and the top receiver units this fall. We concluded the offensive side of the ball with the big uglies, ranking the Top 10 offensive line units this season. This week, we take a swing at the best defensive rooms. On Monday, I released my (semi-controversial???) Top 10 defensive line/edge units,…