University of Kansas football head coach Lance Leipold watches from the sideline during the first half of the Jayhawks’ Sept. 17 road victory at Houston. The win left KU at 3-0, setting up a clash of 3-0 squads this weekend when KU meets Duke in a clash of traditional college basketball powers with sketchy pigskin credentials. (Eric Christian Smith/AP PHOTO)
By Dave Skretta AP SPORTS WRITER LAWRENCE, Kan. (AP) — Duke and Kansas are accustomed to these highstakes showdowns, the kind that build national buzz…