(Note: This is Part 7 of a post-spring series breaking down each of Michigan football's position groups).
There's no singular theme to why it happened. Instead, a combination of many issues — some surprising, some not.
"It," of course, is Michigan's defensive meltdown against Ohio State. Most of the surface-level blame at the time fell to the secondary, as Dwayne Haskins carved the Wolverines up to the tune of 396 yards and six touchdowns on just 30 pass attempts.