The number for NCAA Division I is 65 teams. Team Nos. 64 and 65 play a game on the Tuesday prior to the start of the Thursday first and second-round games and the Tuesday night winner becomes the 16th seed in a first-round bracket.
From 1939-1950 eight teams played, in 1952 it was doubled to sixteen
There are 68 teams in the 2011 NCAA Tournament
There were four extra teams to see who would get the 12 seeds in each section.
The NCAA Men's Basketball Tournament went to 64 teams in 1985.
There were 53 teams in the 1984 NCAA Men's Basketball Championship (5 play-in games before the tournament).
In 2000 there were 64 teams that played in the Division I basketball tournament.
Over the years the NCAA tournament has expanded to include more and more teams. Today, the total number of teams that make the tournament stands at 68.
there are 32 teams in the NIT tournament
Teams that are on the verge of being in or out of the NCAA tournament.
UCLA with 11.
The 2012 NCAA men's basketball tournament included teams from 31 states and the District of Columbia.
The "Final Four" are the four teams that win the regional championships in the NCAA basketball tournament, thus becoming the final four teams in the tournament.