Michigan defensive lineman Chase Winovich spoke with the media on Tuesday, Dec. 12, 2017, at the U-M football bust in Livonia. Video by Nick Baumgardner/DFP
(Note: This is part six of a series reviewing Michigan’s 2017 position groups and looking ahead to 2018)
Greg Mattison has been earning his paycheck, and then some, for a long time.
Michigan's defensive line coach entered 2017 with four starters lost, three of them as NFL draft picks, from a unit that ranked as one of the nation's best the year prior.