If things go according to plan, defensive lineman Zach Harrison of Olentangy Orange — the No. 4 overall prospect in the nation and No. 1 in Ohio — will call up Twitter the morning of Dec. 19 and make it a good day for some school's coaching staff and fan base. It could be Ohio State, Michigan or Penn State, all of whom remain in the hunt for the last major uncommitted prospect in the Midwest. The early signing period runs Dec. 19-21. Join the conversation at Facebook.com/BuckeyeXtra and connect with us on Twitter @BuckeyeXtra "He is entertaining most of the coaching staffs (from the final three) this week, then he'll kind of shut it down over the weekend, try to go through his pros and cons lists one more time,&rdq...