It's almost time for the madness. Get ready by reading up on the best March Madness betting sites so you can make the most out of your NCAA Tournament betting experience.

The Southeastern Conference opens up its annual men's basketball tournament on Wednesday, and ahead of the opening salvo from the league's edition of March Madness, ESPN's Joe Lunardi and CBS Sports' Jerry Palm released their latest bracketologies.

Across sports, underdogs win by playing high-risk/high-reward styles. The wider the variation in a team’s scoring, the better its chances to topple a superior foe. In basketball, that means the feistiest underdogs build extra possessions by crashing the offensive boards and forcing turnovers. They launch lots of 3-pointers.