Update: Official confirmation.
In a matter of seconds, Chris Balas - writer for the Michigan Wolverines Rivals page - sent the word into the far-flung reaches of the internets: Greg Robinson will be the new defensive coordinator for the Michigan Wolverines.
Do I know that this is definitively true? No. But I know that there is enough smoke pouring out of certain websites to say that there is definitely something going on here.
And hey - who doesn't love internet rumors?
Look for the announcement later today - comments on the new hire welcome!*
*If, you know, he's actually hired