Denver Broncos center J.D. Walton plays against the Houston Texans during an NFL football game Sunday, Sept. 23, 2012, in Denver. (AP Photo/Jack Dempsey)

Photo by: Jack Dempsey

Denver Broncos center J.D. Walton plays against the Houston Texans during an NFL football game Sunday, Sept. 23, 2012, in Denver. (AP Photo/Jack Dempsey)