OU shores up defensive line with Walker 

January, 13, 2013
1/13/13
8:00
AM ET
Oklahoma continues to add bodies at the defensive tackle position.

Big 12 Recruiting Classes Evaluated
National recruiting director Tom Luginbill and national recruiting coordinator Craig Haubert join ESPN's Matt Schick to break down Big 12 recruiting efforts with less than one week remaining before signing day.
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