Mulbah joins the Mountaineers with three years of eligibility remaining.
The conference will work with Warren during this "transition phase" while beginning the search for the next commissioner.
While Narduzzi placed Penn State at No. 9, Franklin left Pitt unranked.
Carter was committed to James Franklin's program for nine days.
"I think players, when they know and believe that you as a coach are in it for their best interest, they give you that little extra."
Franklin joined the company of four other head coaching legends after winning his third New Year's Six Bowl at the helm of the Nittany Lions.