The Filipino-American boxing sensation is coming off a TKO victory over Mexican Omar Nino Romero at the Ynares Center in the Philippines last May 13 and is on his five-fight winning streak since losing to Carlos Tamara in 2010.
, 31, who is defending his WBO flyweight title for the fourth time, has a professional career record of 31 wins with three losses.
Herman '"Tyson" Marquez
who hails from Sonora, Mexico, is the current WBA flyweight champion and on his seven-fight winning streak since losing to Nonito Donaire via TKO in 2010.
Marquez, 24, is putting his WBA flyweight title on the line. A southpaw, Marquez has a career record of 32 wins with two losses.
During the weigh in held at the Baltimore Hotel
in Los Angeles, Viloria weighed 111.8 lbs while WBA flyweight champion Hernan 'Tyson' Marquez scaled at 110.8 lbs
Filipino boxing superstar Manny Pacquiao, who is deep in his training at the Wild Card Gym in Hollywood for his fourth fight with Mexican counter-puncher Juan Manuel Marquez, will be at the ringside to act as commentator for the fight.
Pacquiao will work with veteran sportswriter Chino Trinidad, who is covering the fight for GMA 7 television. They will provide TV viewers in the Philippines with round-by-round commentaries of the fight.
The weekend event will take place at the Los Angeles Sports Arena, with Filipino Drian Francisco going up against Mexican Javier Gallo in the undercard. Read more.