Los mejores libra por libra

El escoger el mejor boxeador libra por libra es un tema que siempre genera mucho debate. ¿Será Floyd Mayweather Jr. o Manny Pacquiao? O, ¿quizás sea Sergio Martínez o Timothy Bradley? Seguramente, cada persona tendrá su opinión sobre quienes deberían estar en la lista. Yahoo Deportes les presenta su "Top 10" en la actualidad. Por Roberto Colón

LAS VEGAS, NV - MAY 05: (R-L) Floyd Mayweather Jr. throws a right to the head of Miguel Cotto during their WBA super welterweight title fight at the MGM Grand Garden Arena on May 5, 2012 in Las Vegas, Nevada. (Photo by Al Bello/Getty Images)
Miguel Cotto v Floyd Mayweather Jr.
LAS VEGAS, NV - MAY 05: (R-L) Floyd Mayweather Jr. throws a right to the head of Miguel Cotto during their WBA super welterweight title fight at the MGM Grand Garden Arena on May 5, 2012 in Las Vegas, Nevada. (Photo by Al Bello/Getty Images)
Philippines boxer Manny Pacquiao strikes a pose during a media workout at Wild Card Boxing Club on May 30, 2012 in Hollywood, California.The workout is in advance of Pacquiao's upcoming WBO welterweight championship fight against Timothy Bradley of US on June 9 at the MGM Grand in Las Vegas. AFP PHOTO/JOE KLAMARJOE KLAMAR/AFP/GettyImages
Philippines boxer Manny Pacquiao strikes
Philippines boxer Manny Pacquiao strikes a pose during a media workout at Wild Card Boxing Club on May 30, 2012 in Hollywood, California.The workout is in advance of Pacquiao's upcoming WBO welterweight championship fight against Timothy Bradley of US on June 9 at the MGM Grand in Las Vegas. AFP PHOTO/JOE KLAMARJOE KLAMAR/AFP/GettyImages
El argentino Sergio Martínez conecta un derechazo al británico irlandés Matthew Macklin, en el undécimo episodio de su pelea de peso mediano en Nueva York, el sábado 17 de marzo de 2012. Martínez, de espalda, ganó el combate por nocáut técnico debido a que fue detenido en el undécimo y penúltimo asalto. (AP foto/Frank Franklin II)
El argentino Sergio Martínez conecta un derechazo al británico irlandés Matthew Macklin, en el undécimo episodio de su pelea de peso mediano en Nueva York, el sábado 17 de marzo de 2012. Martínez, de espalda, ganó el combate por nocáut técnico debido a que fue detenido en el undécimo y penúltimo asalto. (AP foto/Frank Franklin II)
El argentino Sergio Martínez conecta un derechazo al británico irlandés Matthew Macklin, en el undécimo episodio de su pelea de peso mediano en Nueva York, el sábado 17 de marzo de 2012. Martínez, de espalda, ganó el combate por nocáut técnico debido a que fue detenido en el undécimo y penúltimo asalto. (AP foto/Frank Franklin II)
ATLANTIC CITY, NJ - DECEMBER 17: Andre Ward lands a right on Carl Froch of England during their WBA/WBC Super Middleweight Championship bout at Boardwalk Hall on December 17, 2011 in Atlantic City, New Jersey. (Photo by Nick Laham/Getty Images)
Andre Ward Lands Getty Images
ATLANTIC CITY, NJ - DECEMBER 17: Andre Ward lands a right on Carl Froch of England during their WBA/WBC Super Middleweight Championship bout at Boardwalk Hall on December 17, 2011 in Atlantic City, New Jersey. (Photo by Nick Laham/Getty Images)
Nonito Donaire
Nonito Donaire
Nonito Donaire
Ukrainian heavyweight boxing world champion Wladimir Klitschko knocks out French challenger Jean-Marc Mormeck in the IBF, IBO, WBO and WBA title bout at the Esprit arena in the western German city of Duesseldorf on March 3, 2012. TOPSHOTS AFP PHOTO / PATRIK STOLLARZ
Ukrainian Heavyweight Boxing World Champion Wladimir Klitschko Knocks AFP/Getty Images
Ukrainian heavyweight boxing world champion Wladimir Klitschko knocks out French challenger Jean-Marc Mormeck in the IBF, IBO, WBO and WBA title bout at the Esprit arena in the western German city of Duesseldorf on March 3, 2012. TOPSHOTS AFP PHOTO / PATRIK STOLLARZ
ATLANTIC CITY, NJ - APRIL 28: Chad Dawson poses with his belt after he won by 12 round decision against Bernard Hopkins during their WBC & Ring Magazine Light Heavyweight Title fight at Boardwalk Hall Arena on April 28, 2012 in Atlantic City, New Jersey. (Photo by Al Bello/Getty Images)
Chad Dawson Poses Getty Images
ATLANTIC CITY, NJ - APRIL 28: Chad Dawson poses with his belt after he won by 12 round decision against Bernard Hopkins during their WBC & Ring Magazine Light Heavyweight Title fight at Boardwalk Hall Arena on April 28, 2012 in Atlantic City, New Jersey. (Photo by Al Bello/Getty Images)
Miguel Cotto (R) grazes Floyd Mayweather Jr. during their WBA super welterweight title fight at the MGM Grand in Las Vegas Saturday, May 5, 2012. Mayweather won the WBA super welterweight title in a 12 round unanimous decision. AFP PHOTO / John GurzinskiJOHN GURZINSKI/AFP/GettyImages
Miguel Cotto (R) Grazes AFP/Getty Images
Miguel Cotto (R) grazes Floyd Mayweather Jr. during their WBA super welterweight title fight at the MGM Grand in Las Vegas Saturday, May 5, 2012. Mayweather won the WBA super welterweight title in a 12 round unanimous decision. AFP PHOTO / John GurzinskiJOHN GURZINSKI/AFP/GettyImages
ATLANTIC CITY, NJ - APRIL 28: Chad Dawson poses with his belt after he won by 12 round decision against Bernard Hopkins during their WBC & Ring Magazine Light Heavyweight Title fight at Boardwalk Hall Arena on April 28, 2012 in Atlantic City, New Jersey. (Photo by Al Bello/Getty Images)
Chad Dawson Poses Getty Images
ATLANTIC CITY, NJ - APRIL 28: Chad Dawson poses with his belt after he won by 12 round decision against Bernard Hopkins during their WBC & Ring Magazine Light Heavyweight Title fight at Boardwalk Hall Arena on April 28, 2012 in Atlantic City, New Jersey. (Photo by Al Bello/Getty Images)
Miguel Cotto (R) grazes Floyd Mayweather Jr. during their WBA super welterweight title fight at the MGM Grand in Las Vegas Saturday, May 5, 2012. Mayweather won the WBA super welterweight title in a 12 round unanimous decision. AFP PHOTO / John GurzinskiJOHN GURZINSKI/AFP/GettyImages
Miguel Cotto (R) Grazes AFP/Getty Images
Miguel Cotto (R) grazes Floyd Mayweather Jr. during their WBA super welterweight title fight at the MGM Grand in Las Vegas Saturday, May 5, 2012. Mayweather won the WBA super welterweight title in a 12 round unanimous decision. AFP PHOTO / John GurzinskiJOHN GURZINSKI/AFP/GettyImages

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