The day is finally here: Selection Sunday. As the final conference championship games wind down, we'll finally get a look at the 68 teams in the men's NCAA tournament field with all roads leading to San Antonio for the Final Four at the Alamodome.

After weeks of anticipation and speculation, the bracket-filling finally can begin Sunday as the 68-team fields for the NCAA men's and women's basketball tournaments are revealed. "Selection Sunday" will unveil which teams made the March Madness tournaments (and which "bubble" teams were left disappointed) that will unfold over the course of four regionals to will determine the Final Four national semifinals.