
Juan Manuel Marquez, of Mexico, (L) and Juan Diaz of the U.S. face off during a weigh-in at the Mandalay Bay Events Center in Las Vegas, Nevada in advance of their WBA / WBO lightweight championship boxing match July 30, 2010. Photo by Dr Ed de la Vega.
OFFICIAL WEIGHTS:
MAIN EVENT – RING MAGAZINE, WBA & WBO LIGHTWEIGHT TITLES – 12 ROUNDS Juan Manuel MARQUEZ – 133.5 lbs vs. Juan DIAZ – 135 lbs.
VACANT WBO MIDDLEWEIGHT TITLE – 12 ROUNDS Daniel JACOBS – 159 lbs vs. Dmitry PIROG – 160 lbs.
JUNIOR WELTERWEIGHTS – 10 ROUNDS Robert GUERRERO – 138.5 lbs vs. Joel CASAMAYOR – 138 lbs.
VACANT WBA FEDELATIN LIGHTWEIGHT TITLE – 10 ROUNDS Jorge LINARES – 132.5 lbs vs. Rocky JUAREZ – 132 lbs.
JUNIOR WELTERWEIGHTS – 6 ROUNDS Frankie GOMEZ – 139 lbs vs. Ronald PETERSON – TBD
SWING BOUT – LIGHTWEIGHTS- 4/6 ROUNDS Juan Manuel MONTIEL – 134 lbs vs. Mike PERALTA – 136 lbs
IBF SUPER MIDDLEWEIGHT ELIMINATOR – 12 ROUNDS Sakio BIKA – 166 lbs vs. Jean Paul MENDY – 167 lbs
SUPER MIDDLEWEIGHTS – 8 ROUNDS George GROVES – 169 lbs vs. Alfredo CONTRERAS – 169 lbs
HEAVYWEIGHTS – 8 ROUNDS Seth MITCHELL – 243 lbs. vs. Derek BRYANT – 201 lbs.

Daniel Jacobs (L) and Dmitry Pirog.

Robert Guerrero (L) and Joel Casamayor.

Jorge Linares (L) and Rocky Juarez.
Photos by Dr Ed de la Vega.