http://budweiserselect.young-america.com/Register.aspx is a link to win a trip to the Kentucky Derby.
http://mlb.mlb.com/mlb/sweepstakes/y2009/staples/easy_50/?partnerId=ed-2385156-55428157&source=ed-2385156-55428157 is your chance to win a trip to the 2009 MLB All-Star game and/or Staple gift cards.
http://www.sweetlineup.com/ is to win a baseball clinic for 200 kids in your neighborhood with MLB alumni.
http://www.cbs.com/heckleu/ could win you a 42'" LCD TV or a trip to Vegas just by registering and voting for the best video. I believe you can also add your own video if you think you have something funnier.