Interactive Bracket

The First Four tips off Tuesday, the first step toward the Final Four and crowning the 2012 men's champion on April 2 in New Orleans:

Tuesday at Dayton, Ohio
Announcers: Jim Nantz, Clark Kellogg, Steve Kerr, Tracy Wolfson

• 6:30 p.m. ET on truTV: Western Kentucky vs. Mississippi Valley State

Western Kentucky
The Hilltoppers are making their 22nd appearance in the NCAA Tournament. … WKU has won at least one game in the tournament in each of its past two trips, advancing to the Sweet Sixteen in 2008.

Mississippi Valley State
The Delta Devils were 17-1 in SWAC play -- after going 1-11 in non-conference action. … Eight MVSU players play at least 15 minutes per game; it'll need that depth to mount a Cinderella run.

• 9 p.m. ET on truTV: Iona vs. BYU

The Gaels played 21 of its 32 games away from home and went 15-6. (They went 11-4 in true road games.) … Iona is 1-8 in NCAA Tournament games. The lone win came in 1980 against Holy Cross.

The Cougars are 25-8, marking their sixth consecutive 25-win season. … This is BYU's ninth NCAA Tournament appearance in the past 12 years. The Cougars are 14-29 in tournament play.

Wednesday at Dayton, Ohio
Announcers: Ian Eagle, Jim Spanarkel, Lewis Johnson

• 6:30 p.m. on truTV: Vermont vs. Lamar

The Cats will take part in the NCAA Tournament for the fifth time in the past 10 years (2003, 2004, 2005 and 2010). … Vermont enters the tournament having won 14 of its past 15 games.

The Cardinals (23-11) are on a six-game winning streak, and this is the team's first 20-win season since 1988. … Lamar is 5-5 in the NCAA Tournament, including a run to the Sweet 16 in 1980.

• 9 p.m. ET on truTV: South Florida vs. California

South Florida
This will be the Bulls' first NCAA Tournament appearance in 20 years. … USF reach its high-water mark with 12 Big East regular-season wins while leading the conference in scoring defense.

This will be the Bears' 17th NCAA Tournament appearance. … Cal is 19-16 in NCAA Tournament games, including a national title in 1959. Cal has won 24 games; no Bears team has won more since 1960 (28-2).