As of 12/4/2015 there are 16 undefeated teams in MBB. Looking ahead at their schedules, I would predict that by 12/22/2015 when ISU plays Cincinnati, that at that point in the season, the remaining undefeated teams in the country will be down to 5, and 3 of them will be in the Big 12. Those 5 remaining undefeated teams will be ISU, OU, WV, Michigan State, and Purdue. Based on the poor performance of the B1G, I think that MSU will be the last standing undefeated team, and they may not lose until the middle of February.