After two jam-packed days of college basketball, it's time to start the second round. The field has been cut in half, the contenders have emerged -- and we get to do it all again today.

The schedule is headlined by Arkansas vs. St. John's, a matchup of two Hall of Fame coaches in Rick Pitino and John Calipari, in the afternoon. Elsewhere, the Houston Cougars take on the red-hot Gonzaga Bulldogs, while the McNeese Cowboys -- at 12, the lowest seed still alive -- take on Purdue.

We've got you covered with all the action right here, featuring updates from writers at every site and analysis on what each final result means.

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Saturday's schedule (all tips ET):

(12) McNeese Cowboys vs. (4) Purdue Boilermakers, 12:10 p.m. (CBS)
(10) Arkansas Razorbacks vs. (2) St. John's Red Storm, 2:40 p.m. (CBS)
(5) Michigan Wolverines vs. (4) Texas A&M Aggies, 5:15 p.m. (CBS)
(11) Drake Bulldogs vs. (3) Texas Tech Red Raiders, 6:10 p.m. (TNT)
(9) Creighton Bluejays vs. (1) Auburn Tigers, 7:10 p.m. (TBS)
(6) BYU Cougars vs. (3) Wisconsin Badgers, 7:45 p.m. (CBS)
(8) Gonzaga Bulldogs vs. (1) Houston Cougars, 8:40 p.m. (TNT)
(7) UCLA Bruins vs. (2) Tennessee Volunteers, 9:40 p.m. (TBS)