Tickets for the 8/25 WWE RAW at the Barclays Center in Brooklyn the night after the SummerSlam PPV in the same venue will go on-sale this Saturday (3/28). There will also be an online ticket pre-sale starting tomorrow (3/25) on Ticketmaster.com. The SummerSlam PPV is officialy sold out as of this writing.
Source: PWInsider.com