Here are his observations, via his Twitter:
[in order, starting at about 9am CST Sunday morning]
* 1st impressions of #GoBlue from yesterday's spring practice . Physically impressive group! #B1Gspringtour
* @umichfootball doing some reshuffling on the D-line will make them more athletic upfront .DE Brennen Beyer #GoBlue
* So WR Jerald Robinson made some nice catches, Will be a good addition 2 WR Gallon & Roundtree. #GoBlue #B1Gspringtour stop4 @gerrydinardo
* Rb's look solid, no surprise here Toussaint looks like he's ready to carry the load. keep an eye on J.Hayes #GoBlue
* Replacing Molk leadership on & off the field well be tough, Barnum & Jack Miller will give them solid options. #GoBlue #B1Gspringtour #B1G
* Secondary is a solid group,return 7 of last yrs top 8 .S Jarrod Wilson is going to have a chance to contribute. #GoBlue #B1G #B1Gspringtour
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Not sure if they are going to have a show on their visit to UofM. Forget whether or not they do those shows during the spring or during fall camps.
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"I don't get sick. I don't observe major holidays. I'm a jackhammer." - Jim Harbaugh & Dwight Schrute