A total of 33.8 percent of Tournament Challenge brackets had both No. 1 seeds advancing to the Final Four on Saturday -- the Kentucky Wildcats and Wisconsin Badgers.

By rallying past the Notre Dame Fighting Irish, Kentucky kept many brackets alive, as it was picked in a whopping 77.1 percent of brackets to reach the Final Four, with 58.7 percent picking them for the title game and 48 percent to win it all.

Wisconsin was the most popular pick to advance out of the West Region, with 41.8 percent of brackets picking the Badgers and 13.9 percent with Wisconsin in the title game. To win the title, 9.9 percent have the Badgers -- second most overall entering the NCAA tournament.

Looking ahead to the Final Four, 72.9 percent of the brackets that picked the Kentucky-Wisconsin matchup had the Wildcats winning.

President Obama's Bracket

The president went 1-1 on Saturday, getting Kentucky (his national championship pick) but missing on the Arizona Wildcats. He sits in the 43rd percentile.

An all-chalk bracket sits in the 89th percentile.

Looking ahead to Sunday and beyond (Brackets picking Sunday's winners)

• Duke Blue Devils-Louisville Cardinals: 6.8 percent (70.1 percent of those brackets picked Duke to win)

• Duke-Michigan State Spartans: 4.5 percent (74.3 percent of those brackets picked Duke to win)

• Gonzaga Bulldogs-Louisville: 2.5 percent (59.9 percent of those brackets picked Gonzaga to win)

• Gonzaga-Michigan State: 1.9 percent (66.1 percent of those brackets picked Gonzaga to win)

Brackets picking the potential Final Four combinations

• Kentucky, Wisconsin, Duke, Louisville: 2.1 percent (240,068 brackets)

• Kentucky, Wisconsin, Duke, Michigan State: 1.6 percent (182,709 brackets)

• Kentucky, Wisconsin, Gonzaga, Louisville: 0.7 percent (84,583 brackets)

• Kentucky, Wisconsin, Gonzaga, Michigan State: 0.7 percent (80,956 brackets)