Previously: Quarterback, Running Backs, Receivers Welcome to Opponent Preview week! Next week is the real preview week of Michigan Football, but this week will be mostly about the opponents, as I've got four more The Enemy pieces lined up, and I believe we should have the conclusion to Opponent Watch as well. If you like reading about Michigan's opponents, this is the week for you. We are now on to the offensive line, which is a little bit longer of a piece because there are more names to talk about. I provide the depth chart below each team, showing the starters and a couple reserves who may see the field or are of note. Ideally, these are the first up at guard or tackle. A quick note about the format: bold refers to a returning starter while italics refers to a starter at another school who has transferred in. For this piece, I lean heavily on PFF grades for the non-conference teams because traditional stats don't exist for OL and I didn't really watch any of