Las Vegas, Nevada ---(L-R) Superstar Manny Pacquiao and four-time world champion Juan Manuel Marquez weigh in (Pacquiao 147 lbs , Marquez 143  lbs) at the MGM Grand in Las Vegas Friday for the upcoming 4th fight of their historic rivalry. Promoted by Top Rank®, in association with MP Promotions, Zanfer Promotions, Márquez Boxing, Tecate, Wonderful Pistachios, Cinemax ‘Banshee,’ Smart Communications, Universal Pictures ‘Django Unchained’ and MGM Grand Hotel & Casino, Pacquiao vs Marquez 4 will be produced and distributed live by HBO Pay Per View from the MGM Grand in Las Vegas on Saturday, Dec. 8. --- Photos by Chris Farina/Top Rank.