Marquez vs. Diaz II, scheduled for Saturday, July 31, will be for Marquez's Ring Magazine, WBA and WBO Lightweight World titles, and will take place at the Mandalay Bay Events Center in Las Vegas.  

            One of Mexico's greatest warriors, Mexico City's Juan Manuel Marquez (50-5-1, 37 KOs) has won world titles in the featherweight, junior lightweight and lightweight divisions over the course of a 17-year pro career that will undoubtedly land him in the Hall of Fame.  Winner of six of his last eight bouts, with his defeats coming to Floyd "Money" Mayweather and via controversial decision to Manny "Pacman" Pacquiao, "Dinamita" is still on top of his game at the age of 36, and he's eager to remind Juan Diaz of that fact on July 31. 

            A pro since the age of 16, 26-year-old Juan "Baby Bull" Diaz (35-3, 17 KOs) has practically grown up in the fight game and he's apparently learned his lessons well, as he held the world lightweight title for over three years from 2004 to 2007.  Now, looking to regain the title on July 31, the fighting pride of Houston, Texas will be coming with all guns blazing to Las Vegas, where he is 4-0 in his career.