Michigan offensive line coach Ed Warinner speaks to the media on Wednesday, Nov. 14, 2018, in Ann Arbor. Nick Baumgardner, Freep
(Note: This is part four of a post-spring series breaking down each of Michigan football's position groups).
It's one of the first things Jim Harbaugh said after he showed up at Michigan and, through four full years, it has stuck.
The run game, he said, takes longer to master than anything else, due to the number of moving pieces. This also holds true for offensive lines. They take the most time to develop because there's so much going on.