The numbers are ghastly enough. Michigan’s sitting at number one in total rushing defense, giving up a paltry 32.6 yards a game and bludgeoning opposing running backs and lines in the process. Stats aside, the anecdotal and visual evidence of their confirmed nastiness is accumulating.

First, the anecdotal:

Doctors haven’t cleared starter Anthony Morelli or backup Daryll Clark for full contact in practice after both quarterbacks sustained concussions when Penn State (4-3, 2-2 Big Ten) lost last week to No. 2 Michigan.

And second, the visual. If Michigan wins the national title, this will be its enduring brand on the psyche of college footballdom:

The best college football photograph taken in recent history: flattened.