Former undisputed heavyweight champion Mike Tyson in attendance

Former Heavyweight Champion Mike Tyson raises the arms of  WBC World Heavyweight Champion Hasim Rahman and #1 ranked contender Oleg Maskaev after the weighin for their upcoming World Heavyweight Championship rematch on Top Rank's  "America's Last Line of Defense"  championship card at the Thomas & Mack Center in Las Vegas, Saturday, August 12 ,live on HBO Pay-Per-View . Rahman weighed in at 235 and Maskaev tipped the scales at 238.  Rahman wants to avenge his 1999 loss to Maskaev that sent him through the ropes in a riveting eighth round stoppage by Maskaev. --- Photo Credit: Chris Farina - Top Rank