The Michigan Daily article linked below talks about how Frank Clark and Taylor Lewan are going head-to-head in practice with Lewan dominating in the Spring but things looking much more even now. Brian alluded to this in his d-line preview, but if the competition during practice between Frank Clark and Lewan is really getting anywhere close to equal than I have high hopes for him this season. Going against a future first rounder would either be really discouraging, or make you a much better player. It seems like the latter is the case for Clark. Here's the link:
This may not be news, but the article also says Johnson is backing up Toussaint.