By John Marshall
AP Basketball Writer
March Madness lived up to its billing with all those upsets, crazy finishes and memorable performances.
Now that the calendar is turning to April, it’s time for the main event: North Carolina, Oklahoma, Villanova and Syracuse in the Final Four.
Houston, here they come — and it figures to be quite a show.
To get you ready, we’ve got a rundown of the matchups, the top teams and players before the games start on Saturday: