Previewing Big 12 media days: Oklahoma 

July, 22, 2013
7/22/13
8:00
AM ET
Conference media days signal the end of the college football offseason and the start of the real season.

On Tuesday, the Sooners will bring cornerback Aaron Colvin, center Gabe Ikard and fullback Trey Millard to Dallas for their Big 12 media day. Here are five storylines to keep an eye on:

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