With the move of the New Jersey Nets to Brooklyn, part-owner Jay Z helped build the Barclays Center, which would serve as the new home for the Brooklyn Nets. Today, HOV announced that he would be performing not only a three day series running from September 28th-30th, but also two new dates of October 3rd and 4th. The American Express pre-sale started this morning at 10 am so make sure you guys get your tickets before they sell out. Live Nation will be holding a presale tomorrow starting at 10 am and the rest of the tickets will go on sale to the general public on Friday morning at 10 am.  You can buy your tickets on Ticketmaster.