The No. 15 Longhorns (7-3, 5-2 Big 12) host No. 16 Iowa State (6-3, 5-2 Big 12) in a huge conference showdown on Saturday night in Austin, with both teams looking to stay in the Big 12 championship mix. Kickoff is set for 7 p.m.Here are five things Texas fans need to know about Iowa State:1.