Clemson guard Jaeden Zackery, left, react after a loss to McNeese State in the first round of the NCAA college basketball tournament, Thursday, March 20, 2025, in Providence, R.I. (AP Photo/Charles Krupa)2025-03-20T22:07:54Z Follow APs full coverage of March Madness.Get the AP Top 25 mens college basketball poll delivered straight to your inbox with AP Top 25 Poll Alerts. Sign up here. Fewer than 1% of NCAA Tournament brackets 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 perfection after 11th-seeded Drake beat No. 6 seed Missouri.Earlier Thursday, about 6.6 million brackets were busted on ESPN when No. 12 seed McNeese beat No. 5 seed Clemson 69-67. 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 its 89-75 win over 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.___AP March Madness bracket: https://apnews.com/hub/ncaa-mens-bracket and coverage: https://apnews.com/hub/march-madness. Get poll alerts and updates on the AP Top 25 throughout the season. Sign up here.