ANN ARBOR -- Today marks the half-way point of preseason camp for the Michigan football team, meaning decisions loom when it comes to filling open spots.
And as Jim Harbaugh put it Friday, the train is about to leave the station.
Some positions are more nailed down than others, but uncertainties exist with just about every group on this Wolverines team. Here's an update on where things stand, straight from the mouth of Harbaugh himself:
OL: The left side seems intact, with Harbaugh referring to left tackle Mason Cole and left guard Ben Bredeson both as "mainstays.