March Madness is finally here! The first round of the 2011 NCAA tournament kicks off Thursday at 12:15 ET with the No. 5 West Virginia going up against No. 12 Clemson. At 12:40, No. 9 Old Dominion squares off against No. 8 Butler. You can watch the games on CBS and TruTV. Vote on which teams will come out of the East, West, Southwest and Southeast regions. We will be providing live updates from the first round action so get your brackets ready!