Article Photos: Big 12 football: Preseason All-Big 12 offers a small sample of what's ahead 1/1

TCU quarterback Casey Pachall celebrates a two-point conversion during the second half of an NCAA college football game against Boise State, Saturday, Nov. 12, 2011, in Boise, Idaho. TCU won 36-35. (AP Photo/The Times-News, Drew Nash) MANDATORY CREDIT ORG XMIT: IDTWF102