The Iowa State Cyclones look to clinch a share of the Big-12 Conference title at home tonight against Texas Tech. There have been many keys to Iowa State’s success this season and coach Larry Eustachy says one of the biggest has been the play of senior forward Martin Rancik. After battling a number of injuries during his college career, Rancik is having a banner season.While much of the talk these days is about seeding in the N-C-A-A tournament, Eustachy says the Cyclones are focused on the task at hand, winning the conference.Texas Tech is 3-11 in conference play after a Monday night loss to Oklahoma State. Tech coach James Dickey says the Cyclones have the top guard court in the conference.Dickey is not surprised Iowa State has come off last year’s championship run with another great season.