It’s NASCAR Sprint Cup Series Champion’s Week™ in Las Vegas, and the sport's social media icon and series title winner will, no doubt, be sending out his share of tweets.

How many times do you think two-time Bristol winner Brad @keselowski will tweet while in Vegas? If you predict the right number, you could win a cap autographed by the 2012 NASCAR Sprint Cup Series champion.

Simply give us your best guess of how many tweets Brad will send out between Thursday, November 29, 2012 (9:00 AM EST) and Saturday, December 1 2012 (12:01 AM EST) by tweeting your guess with the hash tag #ChampTweets to @BMSupdates. All entries must be received by 8:59 AM EST on Thursday, Nov. 29, 2013.

In the event of a tie, a random draw from correct entries will determine the winner. Closest guess without going over is eligible to win.

Winner will be notified via a direct Twitter message on Monday, December 3, 2012. You must follow @BMSupdates on Twitter to receive direct messages.