Andy Wittry | NCAA.com | December 30, 2017 Undefeated college basketball teams in 2017-18 Arizona State Basketball: Romello White | Newcomer Spotlight Share And then there were none. Three college basketball teams entered Saturday, Dec. 30 with perfect records. All three came away with their first losses of the season. No. 1 Villanova couldn't rally back against hot-shooting Butler while TCU failed to stop Trae Young (39 points) in a one-point defeat. To wrap up the night, No. 3 Arizona State suffered its first setback against in-state rival Arizona in Tucson. Saturday's craziness means that this will be the first season since 1948-49 where no Division I teams entered January without a loss, per ESPN Stats & Info. The last undefeated team didn't lose last year until Feb. 25 (Gonzaga). And then there were none... pic.twitter.com/gUOSd8jz9k — NCAA March Madness (@marchmadness) December 31, 2017 Click here to see how each of the last unbeatens from the past 15 years fared in the postseason. Where will Villanova, Arizona State and TCU fit on this list? College wrestling rankings: Arizona State and Oklahoma State impress in Week 2 Overall, this week’s poll brought few changes, but here are the notable shifts you need to know about and why they matter. READ MORE WATCH: UC Riverside stuns Arizona State on the road with last-second half-court shot UC Riverside beat Arizona State on the road with a last-second heave from beyond half court. Don't miss this shot. READ MORE College wrestling rankings: Stanford cracks top 25 as top 5 hold steady Open tournaments around the country and a select few dual meets offered the first look at some of the nation’s top competitors in college wrestling this year, but the Top 25 team rankings stayed mostly steady. Here’s what you need to know about the top 25. READ MORE