No. 1 Louisville CardinalsRegion: Midwest Conference: Big East Coach: Rick Pitino Record: 33-5 Road: d. No. 16 North Carolina A&T 79-48, d. No. 8 Colorado St. 82-56, d. No. 12 Oregon 77-69, d. No. 2 Duke 85-63 Final Four appearances: 10 Championships: 1980, ’86 Notable: The Cardinals, the only No. 1 seed remaining, tied Georgetown and Marquette for the Big East regular-season title and defeated Syracuse in the conference tournament championship.… Louisville has won 14 consecutive games. It last lost on Feb. 9, 104-100 in five overtimes at Notre Dame. Guard Kevin Ware, who broke his leg against Duke, delivered a Top 10 list about his gruesome injury on David Letterman’s show Thursday.No. 9 Wichita State Shockers Region: West Conference: Missouri Valley Coach: Gregg Marshall Record: 30-8 Road: d. No. 8 Pittsburgh 73-55, d. No. 1 Gonzaga 76-70, d. No. 13 La Salle 72-58, d. No. 2 Ohio State 70-66 Final Four appearances: 2 Championships: 0 Notable: Wichita State’s rebounding margin of 8.1 is best in the country. The Shockers finished second in the Missouri Valley Conference behind Creighton and lost to Creighton in the conference tournament championship.… Wichita State is the first No. 9 seed to reach the Final Four since the tournament expanded to 64 teams in 1985.No. 4 Michigan Wolverines Region: South Conference: Big Ten Coach: John Beilein Record: 30-7 Road: d. No. 13 South Dakota St. 71-56, d. No. 5 VCU 78-53, d. No. 1 Kansas 87-85 (OT), d. No. 3 Florida 79-59 Final Four appearances: 7 (two vacated by NCAA) Championships: 1989 Notable: Michigan has the most efficient offense in the nation, with a turnover-to-assist ratio of 1.55.… The NCAA recognizes only five Final Four appearances after vacating consecutive title game appearances in 1992-93.… The Wolverines finished tied for fourth with Wisconsin in the Big Ten and lost to Wisconsin 83-66 in the second round of the conference tournament.No. 4 Syracuse Orange Region: East Conference: Big East Coach: Jim Boeheim Record: 30-9 Road: d. No. 13 Montana 81-34, d. No. 12 California 66-60, d. No. 1 Indiana 61-50, d. Marquette 55-39 Final Four appearances: 5 Championships: 2003 Notable: The Orange finished fifth in the Big East regular-season standings and lost to Louisville in the conference tournament championship game.… Syracuse won only one of its final five regular-season games, losing twice to Georgetown, which lost in the first round of the NCAA Tournament. Syracuse is limiting opponents to 45.8 points per game in the tournament.