Boxeo: Juan Manuel Márquez vs. Pacquiao IV

Las mejores imágenes de la cuarta batalla entre 'Dinamita' Márquez y 'Pacman' Pacquiao, desde Las Vegas.
Juan Manuel venció al filipino a un segundo de finalizar el sexto round.

Juan Manuel Marquez, from Mexico, left, celebrates his win over Manny Pacquiao in their WBO world welterweight fight Saturday, Dec. 8, 2012, in Las Vegas. (AP Photo/Eric Jamison)

Juan Manuel Marquez, from Mexico, left, celebrates his win over Manny Pacquiao in their WBO world welterweight fight Saturday, Dec. 8, 2012, in Las Vegas. (AP Photo/Eric Jamison)

Referee Kenny Bayless, left, directs Juan Manuel Marquez, right, to a corner as Manny Pacquiao sits on the mat after being knocked down by Marquez in the third round during a welterweight fight, Saturday, Dec. 8, 2012, in Las Vegas. Marquez knocked out Pacquiao in the sixth round to win their fourth bout. (AP Photo/Julie Jacobson)

Juan Manuel Marquez, from Mexico, wears the champion's belt as his fist is raised by referee Kenny Bayless after his sixth round knockout of Manny Pacquiao, from the Philippines, in their WBO world welterweight fight Saturday, Dec. 8, 2012, in Las Vegas. (AP Photo/Julie Jacobson)

Juan Manuel Marquez, from Mexico, wears the champion's belt as his fist is raised by referee Kenny Bayless after his sixth round knockout of Manny Pacquiao, from the Philippines, in their WBO world welterweight fight Saturday, Dec. 8, 2012, in Las Vegas. (AP Photo/Julie Jacobson)

Juan Manuel Marquez, from Mexico, right, knocks out Manny Pacquiao, from the Philippines, in the sixth round of their WBO world welterweight fight Saturday, Dec. 8, 2012, in Las Vegas. Referee Kenny Bayless looks on at left rear. (AP Photo/Julie Jacobson)

Juan Manuel Marquez, from Mexico, right, knocks out Manny Pacquiao, from the Philippines, in the sixth round of their WBO world welterweight fight Saturday, Dec. 8, 2012, in Las Vegas. Referee Kenny Bayless looks on at left rear. (AP Photo/Julie Jacobson)

El boxeador mexicano Juan Manuel Márquez, derecha, conecta un golpe al filipino Manny Pacquiao en su pelea del sábado, 8 de diciembre de 2012, en Las Vegas. (AP Photo/Julie Jacobson)

Juan Manuel Marquez of Mexico steps away after knocking out Manny Pacquiao of the Philippines in the 6th round during their welterweight fight at the MGM Grand Garden Arena in Las Vegas

Juan Manuel Marquez (R) of Mexico steps away after knocking out Manny Pacquiao of the Philippines (bottom) in the 6th round during their welterweight fight at the MGM Grand Garden Arena in Las Vegas, Nevada December 8, 2012. REUTERS/Steve Marcus (UNITED STATES - Tags: SPORT BOXING TPX IMAGES OF THE DAY)

Juan Manuel Marquez and Manny Pacquiao. (Getty Images)

LAS VEGAS, NV - DECEMBER 08: (L-R) Juan Manuel Marquez throws a left at Manny Pacquiao during their welterweight bout at the MGM Grand Garden Arena on December 8, 2012 in Las Vegas, Nevada. (Photo by Al Bello/Getty Images)

Manny Pacquiao

ÙBOX BOXEO 2012 PELEA PRINCIPAL: MARQUEZ VS PACQUIAO 4 General action photo of Juan Manuel Marquez and Manny Pacquiao during fight held at Las Vegas/Foto de acción general de Juan Manuel Marquez y Manny Pacquiao durante pelea en Las Vegas/08 DIC/MEXSPORT/OSVALDO AGUILAR Fotos tomadas con el siguiente equipo Nikon: Cámara D4
Cámara D300S
Lente Nikkor 400mm 1:2.8G VR
Lente Nikkor 70-200mm 1:2.8G
Lente Nikkor 24-70mm 1:2.8G
Lente Nikkor 14-24mm 1:2.8G
Flash SB-910 BOX BOXEO 2012 PELEA PRINCIPAL: MARQUEZ VS PACQUIAO 4 General action photo of Juan Manuel Marquez and Manny Pacquiao during fight held at Las Vegas/Foto de accin general de Juan Manuel Marquez y Manny Pacquiao durante pelea en Las Vegas/08 DIC/MEXSPORT/OSVALDO AGUILAR Fotos tomadas con el siguiente equipo Nikon: Cmara D4 Cmara D300S Lente Nikkor 400mm 1:2.8G VR Lente Nikkor 70-200mm 1:2.8G Lente Nikkor 24-70mm 1:2.8G Lente Nikkor 14-24mm 1:2.8G Flash SB-910

Juan Manuel Marquez, from Mexico, celebrates his sixth round knockout victory over Manny Pacquiao, from the Philippines, in their WBO world welterweight fight Saturday, Dec. 8, 2012, in Las Vegas. (AP Photo/Julie Jacobson)

Juan Manuel Marquez, from Mexico, celebrates his sixth round knockout victory over Manny Pacquiao, from the Philippines, in their WBO world welterweight fight Saturday, Dec. 8, 2012, in Las Vegas. (AP Photo/Julie Jacobson)

El árbitro Kenny Bayless envía a su esquina a Juan Manuel Márquez luego de que el mexicano noqueó al filipino Manny Pacquiao en el sexto asalto de la cuarta pelea entre ambos contendientes el sábado 8 de diciembre de 2012 en Las Vegas. (Foto AP/Eric Jamison)