Bracketology: Duke, UConn move to No. 1 seeds in NCAA Tournament bracket after Vanderbilt, Iowa State lose As the list of unbeaten teams dwindled this week, it resulted in a shake-up on the No. 1 seed line Original Source: https://www.cbssports.com/college-basketball/news/bracketology-ncaa-tournament-field-of-68-duke-uconn/ Previous article: Big Ten basketball grades: Michigan earns 'A+' after fast start, Maryland gets an 'F' in midseason report card Prev Next article: Dribble Handoff: Picking college basketball's best surprises -- with a nod to March Madness legends Next