Joshua Jefferson recorded 19 points, eight rebounds, five assists and three steals to lead No. 12 Iowa State to a 76-56 victory over Cincinnati on Wednesday afternoon in the second round of the Big 12 tournament at Kansas City.Tamin Lipsey scored 16 points and Milan Momcilovic added 13 for the fifth-seeded Cyclones (24-8). Dishon Jackson registered 10 points and a career-best 15 rebounds.Jizzle James scored 17 points but was just 6-of-20 shooting for 13th-seeded Cincinnati (18-15). Josh Reed added 10 points for the Bearcats.Iowa State, the fifth seed, will face fourth-seeded BYU (24-8) in Thursday’s quarterfinals. The No. 17-ranked Cougars have won eight straight games.Kansas 98, UCF 94 (OT)Hunter Dickinson had six of his 23 points in overtime as the Jayhawks escaped with a victory over the Knights.Kansas will face No. 3 seed Arizona in the quarterfinals on Thursday. The Jayhawks defeated the visiting Wildcats 83-76 in the regular-season finale on Saturday. The sixth-seeded Jayhawks (21-11) were led by Zeke Mayo with 24 points. AJ Storr scored a season-high 19 and KJ Adams Jr. added 15.The 14th-seeded Knights (17-16) were led by Keyshawn Hall with 25 points. Darius Johnson scored 22 and Moustapha Thiam and Jordan Ivy-Curry had 13 apiece.Colorado 67, West Virginia 60Reserve Elijah Malone scored 12 of his 14 points in the second half to help the Buffaloes defeat the Mountaineers.