Marquez vs. Pacquiao

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  Manny Pacquiao is shown with his trainer, Freddie Roach, left, during a media workout in Los Angeles, Wednesday March 5, 2008. Pacquiao, from the Philippines, will challenge WBC's super featherweight champion Juan Manuel Marquez, from Mexico, in a March 15 boxing bout in Las Vegas. (AP Photo/Nick Ut)

  AP

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  Manny Pacquiao works out during a session for the media Wednesday, March 5, 2008, in Los Angeles. Pacquiao, from the Philippines, will challenge WBC super featherweight champion Juan Manuel Marquez, from Mexico, in a March 15 boxing bout in Las Vegas. (AP Photo/Nick Ut)

  AP

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  Manny Pacquiao works out with a trainer during a session for the media Wednesday, March 5, 2008, in Los Angeles. Pacquiao, from the Philippines, will challenge WBC super featherweight champion Juan Manuel Marquez, from Mexico, in a March 15 boxing bout in Las Vegas. (AP Photo/Nick Ut)

  AP

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  Three-division world champion boxer Manny Pacquiao, from the Philippines, greets fans before a public workout at Titanium Training Center in San Francisco, Wednesday, Feb. 27, 2008. Pacquiao will fight Juan Manuel Marquez, of Mexico, for Marquez's WBC Super Featherweight World Title on March 15 in Las Vegas. (AP Photo/Jeff Chiu)

  AP

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  Three-division world champion boxer Manny Pacquiao , from the Philippines, shadow boxes at a public workout at Titanium Training Center in San Francisco, Wednesday, Feb. 27, 2008. Pacquiao will fight Juan Manuel Marquez, of Mexico, for Marquez's WBC Super Featherweight World Title on March 15 in Las Vegas. (AP Photo/Jeff Chiu)

  AP

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  LAS VEGAS - DECEMBER 07: Boxer Juan Manuel Marquez arrives at Studio 54 inside the MGM Grand Hotel/Casino for "54 BELOW" Studio 54's 10th Anniversary Party on December 7, 2007 in Las Vegas, Nevada. (Photo by Jacob Andrzejczak/Getty Images for Studio 54)

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  Juan Manuel Marquez, of Mexico, celebrates his unanimous victory over Marco Antonio Barrera, of Mexico, in the WBC 130-pound championship boxing match in Las Vegas on Saturday, March 17, 2007. (AP Photo/Isaac Brekken)

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  Juan Manuel Marquez, of Mexico City, delivers a left to the head of Manny Pacquiao, of the Philippines, in the fifth round of their WBA andIBF world featherweight title fight Saturday, May 8, 2004 at the MGM Grand Garden Arena in Las Vegas. (AP Photo/Eric Jamison)

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  Juan Manuel Marquez, right, of Mexico, stands over Terdsak Jandaeng, of Thailand, after knocking him down during their WBO interim featherweight championship boxing bout in Stateline, Nev., on Saturday, Aug. 5, 2006. (AP Photo/ Brad Horn)

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  Juan Manuel Marquez, right, of Mexico City lands a punch on the chin of Marcos Licona of Westminster, Calif. during their featherwieght bout Saturday Aug. 16, 2003 at Mohegan Sun in Uncasville, Conn. (APPhoto/John Spivey)

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