Nick Baumgardner, Detroit Free Press
There's no opponent this week and nothing to predict.
But, Michigan has completed one third of its 2017 football season. We'll say the Wolverines are at their first period intermission.
So, how about some reflection? Here are position — and coaching — grades through the first four weeks.
Quarterbacks
The most interesting position group on the field got that much more interesting last week when Wilton Speight was helped off the field and John O'Korn took over to lead the Wolverines to four touchdown drives in a 28-10 win over Purdue.