Robert “The Ghost” Guerrero will hold an open workout Tuesday in San Jose, Calif., for fans and media as he prepares for his July 20 battle against Joel Casamayor on the Marquez-Diaz II undercard.

WHO: ROBERT GUERRERO, Two-Division World Champion

RUBEN GUERRERO, Guerrero's Trainer

WHAT: ROBERT GUERRERO will hold an open workout for fans and media as he prepares for his battle against

JOEL CASAMAYOR on the July 31 undercard of Marquez vs. Diaz II "Fight of the Year: The Rematch."

WHEN: Tuesday, July 20, 2010

11:00 A.M  PT

WHERE: San Jose Boxing and Fitness

3469 McKee Road

San Jose, CA 95127

(408) 729-5269

FACTS: Marquez vs. Diaz II "Fight of the Year: The Rematch" is promoted by Golden Boy Promotions in

association with Marquez Boxing Promotions, and sponsored by Cerveza Tecate and AT&T.  The 12-round

rematch of the 2009 "Fight of the Year" is scheduled for Saturday, July 31 at the MandalayBayEventsCenter in

Las Vegas, and will be for Marquez's Ring Magazine, WBA and WBO Lightweight World titles.  The fight will

be produced and distributed live on HBO Pay-Per-View® beginning at 9 p.m. ET/ 6 p.m. PT.

Tickets for Marquez vs. Diaz II are priced at $350, $250, $150, $100 and $50 and are on sale now.  Tickets

are available for purchase at all Las Vegas Ticketmaster locations (select Smith's Food and DrugCenters and

Ritmo Latino).  To charge by phone with a major credit card, call Ticketmaster at (800) 745-3000.  Tickets

also will be available for purchase at www.mandalaybay.com or www.ticketmaster.com.

NCM Fathom will broadcast Marquez vs. Diaz II in high definition LIVE to more than 270 movie theaters

nationwide at 9 p.m. ET/ 6 p.m. PT.  Tickets to see the fight on the big screen are available at theater box

offices and online at www.FathomEvents.com.