Fewer than 1% ofNCAA Tournamentbrackets were still perfect after Thursdays 16-game slate, according to several services where fans attempt the all-but impossible task of predicting every March Madness game correctly or, barring that, win their office pools.ESPNs tracker listed 25,802 perfect brackets remaining out of more than 24 million filled out on its site following the final game of the day, Texas Techs win over UNC-Wilmington.The NCAA said 0.0938% of more than 34 million brackets were still perfect.The numbers were similar at CBS Sports, where 0.09% of brackets were unblemished following the first day of action.Yahoo Sports said 99.9% of its brackets had fallen short of perfectionafter 11th-seeded Drake beat No. 6 seed Missouri.Earlier Thursday, about 6.6 million brackets were busted on ESPN whenNo. 12 seed McNeesebeat No. 5 seed Clemson69-67.Creighton which saw a boost in this category because it played the first game of the day was listed as ESPNs top bracket buster after its89-75 winover Louisville. There were 13,339,089 ESPN brackets busted by that game.On the other end of the spectrum, ESPN reported that every pick was wrong on 30 of its brackets a nearly impossible feat in its own right even if a contestant were trying to pick all losers.