As of May 2015, Manny Pacquiao has lost to Juan Manuel Marquez, Timothy Bradley, Erik Morales, Medgoen Singsurat, Rustico Torrecampo and most recently, Floyd Mayweather. Pacquiao lost to Mayweather on May 2, 2015 by unanimous decision.
The loss to Bradley, a split decision, took place in June 2012, and was followed six months later by a knockout loss to Marquez. In an April 2014 rematch, Pacquiao beat Bradley in a unanimous decision. In a prior bout against Marquez in November 2011, Pacquiao prevailed in a majority decision. Pacquiao lost to Morales in a unanimous decision in 2005, and he suffered a technical knockout against Singsurat in 1999. Pacquiao's first professional loss, by knockout, came against Torrecampo in 1996.