Stock up, stock down: Ranking Michigan's starters heading into Iowa, notes and more

<!-- wp:paragraph --> <p>Upon a review of the film, PFF grades and more from this past weekend, this week's stock report has some changes in both players trending up and guys we need to see more from. The adjustments are not quite as dramatic as preseason to last week, but there is still plenty to sort through. Here is how we would rate things on both sides of the ball heading into Week 5.