News No. 8 Arkansas halts No. 1 Kansas’ NCAA Tournament title defense with second-round upset March 18, 2023Erick Smith, USA TODAYComments Off on No. 8 Arkansas halts No. 1 Kansas’ NCAA Tournament title defense with second-round upset Defending champion Kansas will not repeat after the Jayhawks were knocked off by Arkansas. It's the second No. 1 seed to fall before the Sweet 16.