Defensive notebook: Re-evaluating Buckeyes defensive depth chart after blowout win over Purdue

COLUMBUS — This week's Lettermen Row defensive notebook takes the depth chart we projected at the beginning of the season, re-evaluated it considering what we have seen from the defensive substitutions and second-team reps in the Purdue game and reset the defensive depth chart moving forward. There's been plenty of movement at all three levels of the defense, with some Buckeyes rising up the depth chart and some falling down it as the season progresses. Let's break it all down.