Kubiak looks to shore up Texans run defense
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HOUSTON - AUGUST 18: Dontavia Bogan #9 of the San Francisco 49ers looks for room to run against Shiloh Keo #31 of the Houston Texans and Sherrick McManis #22 of the Houston Texans at Reliant Stadium on August 18, 2012 in Houston, Texas. Houston defeats San Francisco 20-9. (Photo by Bob Levey/Getty Images)
