Chuck Carlton, Big 12 beat writer for SportsDayDFW.com and The Dallas Morning News, answered your questions about the league in a live chat recently. Here are some highlights:
Oklahoma's hire of Alex Grinch is basically them saying its a personnel issue and not a talent issue, right?
Carlton: Or Lincoln Riley is saying that fixing the scheme and personnel is the first -- and easiest --priority. You can't turn over a college roster in one season, although Riley clearly is targeting defensive talent in recent recruiting classes. But you can change a coaching staff.