Kansas State-TCU tops this week's Big 12 football slate - Article Photos 1/3

Kansas State backup Daniel Sams (4) could replace Heisman Trophy front-runner Collin Klein (7) at quarterback Saturday if Klein isn't ready to face TCU. Though K-State coach Bill Snyder has refused to specify the nature of Klein's injury, there are signs Klein suffered a head injury last week against Oklahoma State. AP Photo/Orlin Wagner. Orlin Wagner - AP