HBO Boxing: Pacquiao vs Marquez IV

Manny Pacquiao vs. Juan Manuel Márquez IV was a boxing match held on December 8, 2012, at the MGM Grand in Las Vegas, Nevada, billed unofficially as deciding the World Boxing Organization's "Champion of the Decade" belt. It was named Fight of the Year and Knockout of the Year by Ring Magazine, with round five garnering Round of the Year honours