Roundtable: Three thoughts on OU-TTU 

October, 8, 2012
After Oklahoma's game every week this season, the SoonerNation staff will look at the most impressive thing from the game, the biggest concern from the game and an interesting storyline moving forward.

On Oklahoma's 41-20 win over Texas Tech:

[+] EnlargeAaron Colvin
Matthew Emmons/US PresswireLed by junior cornerback Aaron Colvin, the Oklahoma secondary is much improved in 2012.
What impressed me most: The way the OU defensive backfield covered. A month into the season, the Sooners seem to be the only ones in the Big 12 capable of defending the pass. Aaron Colvin has been fabulous, and Tony Jefferson, Demontre Hurst and Javon Harris have been very good, too. If OU can get just a little pressure on opposing QBs, this defensive backfield figures to be very hard to thrown on.
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