It should not be implied that Ohio State is a one-man team.
E.J. Liddell is great, and this article is mostly going to be about the various ways in which his greatness is both evident and necessary, but what he's done so far in Ohio State's relatively young season is interesting in part because there are so many unique role players for the Buckeyes this year.
Take Zed Key. We all love Zed, because he's Zed, but also because he's the epitome of a scrappy Big Ten player who loves to bang in the paint and is a double-double threat every game.