In preparation for his title defense against Pan Pacific heavyweight titleholder Kali "Checkmate" Meehan Sept. 4 on SHOWTIME CHAMPIONSHIP BOXING at 10 p.m. ET/PT (delayed on the West Coast), WBO Heavyweight Champion "Relentless" Lamon Brewster will hold an open media workout on Thursday, Aug. 19, at the Broadway Gym in Los Angeles. Tickets for the Sept. 4 event that features a world title fight between undisputed welterweight champion Cory "The Next Generation" Spinks (32-2, 11 KOs) against former WBC champion Miguel Angel Gonzalez are priced at $500, $300, $200, $100 and $40 and are on sale at the Mandalay Bay Box Office and all TicketMaster outlets. To order tickets by phone, call (702) 632-7580. Don King Productions will promote the world championship doubleheader on SHOWTIME from Mandalay Bay Resort & Casino in Las Vegas, Nevada.