Brian Viloria, the exciting, all-action world champion from Hawaii, will defend his World Boxing Council (WBC) light flyweight title on a big Top Rank championship boxing card at The Orleans Hotel-Casino on Thursday, August 10, Bob Arum of Top Rank announced today. Viloria, 19-0 with 12 knockouts, of Hawaii will take on world-rated challenger Omar Nino, 23-2-1, 10 KOs, of Guadalajara, Mexico. Ireland's John Duddy, 17-0 with 15 KOs, will also be on the big card, Arum said. The fight card will begin at 5:30 pm. The OLN telecast will begin at 6:00 pm local time. Tickets are $25, $45, $70 and $100 and will be on sale soon at The Orleans box office. For more information, please call 702-365-7075.  This will be the second world title defense for Viloria, one of the most popular champions on the Top Rank roster.