Stumbled across this little nugget. I'm not sure how credible this site is so take it for what it's worth..Basically saying Rhoads would be the front-runner. Cool to see his name being thrown out there.
http://ohiostate.247sports.com/Article/Hot-board-Replacing-Chris-Ash-41747191
http://ohiostate.247sports.com/Article/Hot-board-Replacing-Chris-Ash-41747191