Nebraska's gone.  Colorado's gone.  The conference title game is gone.  Yet, Big 12 football should be every bit as exciting and dramatic as before with so many questions and potential high-stakes opportunities on the line. 

Oklahoma State is good, looking to be great.  Oklahoma is great, looking to be the best in the nation.  Texas is a mess, but has a coach who can turn it around in a hurry. 

With its current state of flux, the Big 12 will no doubt be one of the most talked-about conferences in the nation this year, so here are the top five Big 12 storylines heading into the 2011 season:

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