Greg Mattison, Michigan’s DL coach, has produced some stud defensive lineman. Take a look at all the former Wolverines, now in the NFL, who have worked with Mattison:
@CoachGMattison 🐐? pic.twitter.com/zilVJlDf5x
— Chris Bryant (@cbryant58) June 7, 2018
Old man Matty really is the 🐐🐐 https://t.co/VSXirQOPVa
— Chris Wormley (@Chris_Wormley43) June 7, 2018
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