The Big 10 leads the way with six teams remaining. Indiana, Ohio State, Michigan, Michigan State, Illinois and Minnesota all won first-round games. Wisconsin was the lone Big 10 loser.
The Atlantic 10 has been the big surprise going 5-0 to this point. Saint Louis, Temple, VCU, Butler and La Salle all won first-round games.
The Big East has been a disappointment with just three teams left in Louisville, Marquette and Syracuse. Villanova, Notre Dame, Cincinnati and Pittsburgh all lost. And No. 2 seed Georgetown suffered the biggest upset in the tournament to date.
The SEC is among a group with just two teams left. Florida and Ole Miss survived while Missouri lost. Kansas and Iowa State are left from the Big 12 while Oklahoma and Kansas State both lost. San Diego State and Colorado State are left from the Mountain West Conference after New Mexico and UNLV both lost. And Creighton and Wichita State won from the Missouri Valley Conference.
Four leagues have one team left. Gonzaga is left from the West Coast Conference. Florida Gulf Coast, upset winner over Georgetown, has made the Atlantic Sun proud. And Ivy League member Harvard got its first NCAA Tournament win by upsetting No. 3 seed New Mexico. And Memphis remains from Conference-USA.