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INGLEWOOD, CA - MAY 17: Juan Manuel Marquez (R) lands a right hand to the body of Mike Alvarado at The Forum on May 17, 2014 in Inglewood, California. (Photo by Jeff Gross/Getty Images) ( 480980915JG00019_Juan_Manue )

INGLEWOOD, CA - MAY 17: Juan Manuel Marquez (L) lands a left hand to the chin of Mike Alvarado at The Forum on May 17, 2014 in Inglewood, California. (Photo by Jeff Gross/Getty Images) ( 480980915JG00018_Juan_Manue )

INGLEWOOD, CA - MAY 17: Mike Alvarado is knocked down against Juan Manuel Marquez at The Forum on May 17, 2014 in Inglewood, California. (Photo by Jeff Gross/Getty Images) ( 480980915JG00017_Juan_Manue )

INGLEWOOD, CA - MAY 17: Juan Manuel Marquez (R) lands a right hand to the chin of Mike Alvarado at The Forum on May 17, 2014 in Inglewood, California. (Photo by Jeff Gross/Getty Images) ( 480980915JG00015_Juan_Manue )

INGLEWOOD, CA - MAY 17: Juan Manuel Marquez (L) lands a left hand to the chin of Mike Alvarado at The Forum on May 17, 2014 in Inglewood, California. (Photo by Jeff Gross/Getty Images) ( 480980915JG00012_Juan_Manue )

INGLEWOOD, CA - MAY 17: Juan Manuel Marquez (L) lands a left hand to the chin of Mike Alvarado at The Forum on May 17, 2014 in Inglewood, California. (Photo by Jeff Gross/Getty Images) ( 480980915JG00016_Juan_Manue )

INGLEWOOD, CA - MAY 17: Juan Manuel Marquez (L) lands a right hand to the head of Mike Alvarado at The Forum on May 17, 2014 in Inglewood, California. (Photo by Jeff Gross/Getty Images) ( 480980915JG00011_Juan_Manue )

INGLEWOOD, CA - MAY 17: Juan Manuel Marquez (L) lands a left hand to the chin of Mike Alvarado at The Forum on May 17, 2014 in Inglewood, California. (Photo by Jeff Gross/Getty Images) ( 480980915JG00014_Juan_Manue )

Mike Alvarado, right, lands a punch against Juan Manuel Márquez, of Mexico, in the fifth round of a WBO welterweight title boxing match at the Forum in Inglewood, Calif., Saturday, May 17, 2014. Márquez won the title. (AP Photo/Ringo H.W. Chiu) ( BOX Marquez Alvarado )

Mike Alvarado, right, and Juan Manuel Márquez, of Mexico, exchange punches in the seventh round of a WBO welterweight title boxing match at the Forum in Inglewood, Calif., Saturday, May 17, 2014. Márquez won the title. (AP Photo/Ringo H.W. Chiu) ( BOX Marquez Alvarado )

Mike Alvarado, right, and Juan Manuel Márquez, of Mexico, exchange punches in the first round of a WBO welterweight title boxing match at the Forum in Inglewood, Calif., Saturday, May 17, 2014. Márquez won the title. (AP Photo/Ringo H.W. Chiu) ( BOX Marquez Alvarado )

Mike Alvarado, right, lands a punch against Juan Manuel Márquez, right, of Mexico in the fourth round of a WBO welterweight title boxing match at the Forum in Inglewood, Calif., Saturday, May 17, 2014. Márquez won the title. (AP Photo/Ringo H.W. Chiu) ( BOX Marquez Alvarado )

Mike Alvarado, left, and Juan Manuel Márquez, of Mexico, exchange punches in the fourth round of a WBO welterweight title boxing match at the Forum in Inglewood, Calif., Saturday, May 17, 2014. Márquez won the title. (AP Photo/Ringo H.W. Chiu) ( BOX Marquez Alvarado )

Mike Alvarado, left, lands a punch to the face of Juan Manuel Márquez, of Mexico, exchange punches in the fifth round of a WBO welterweight title boxing match at the Forum in Inglewood, Calif., Saturday, May 17, 2014. Márquez won the title. (AP Photo/Ringo H.W. Chiu) ( BOX Marquez Alvarado )

Mike Alvarado, right, and Juan Manuel Márquez, of Mexico, exchange punches in the nineth round of a WBO welterweight title boxing match at the Forum in Inglewood, Calif., Saturday, May 17, 2014. Márquez won the title. (AP Photo/Ringo H.W. Chiu) ( BOX Marquez Alvarado )

Mike Alvarado, right, and Juan Manuel Márquez, of Mexico, exchange punches in the tenth round of a WBO welterweight title boxing match at the Forum in Inglewood, Calif., Saturday, May 17, 2014. Márquez won the title. (AP Photo/Ringo H.W. Chiu) ( BOX Marquez Alvarado )

Mike Alvarado, right, and Juan Manuel Márquez, of Mexico, exchange punches in the tenth round of a WBO welterweight title boxing match at the Forum in Inglewood, Calif., Saturday, May 17, 2014. Márquez won the title. (AP Photo/Ringo H.W. Chiu) ( BOX Marquez Alvarado )

Juan Manuel Márquez, right, of Mexico, lands a punch against Mike Alvarado in the first round of a WBO welterweight title boxing match at the Forum in Inglewood, Calif., Saturday, May 17, 2014. Márquez won the title. (AP Photo/Ringo H.W. Chiu) ( BOX Marquez Alvarado )

Mike Alvarado, right, and Juan Manuel Márquez, of Mexico, exchange punches in the eleventh round of a WBO welterweight title boxing match at the Forum in Inglewood, Calif., Saturday, May 17, 2014. Márquez won the title. (AP Photo/Ringo H.W. Chiu) ( BOX Marquez Alvarado )

Mike Alvarado, left, and Juan Manuel M·rquez, of Mexico, eye each other in the fifth round of a WBO welterweight title boxing match at the Forum in Inglewood, Calif., Saturday, May 17, 2014. M·rquez won the title. (AP Photo/Ringo H.W. Chiu) ( BOX Marquez Alvarado )

Mike Alvarado, right, and Juan Manuel Márquez, of Mexico, exchange punches in the sixth round of a WBO welterweight title boxing match at the Forum in Inglewood, Calif., Saturday, May 17, 2014. Márquez won the title. (AP Photo/Ringo H.W. Chiu) ( BOX Marquez Alvarado )

Juan Manuel Márquez, of Mexico, celebrates after his victory over Mike Alvarado in the tenth round of a WBO welterweight title boxing match at the Forum in Inglewood, Calif., Saturday, May 17, 2014. (AP Photo/Ringo H.W. Chiu) ( BOX Marquez Alvarado )

Juan Manuel Márquez, of Mexico, celebrates with championship belt after his victory over Mike Alvarado in the tenth round of a WBO welterweight title boxing match at the Forum in Inglewood, Calif., Saturday, May 17, 2014. (AP Photo/Ringo H.W. Chiu) ( BOX Marquez Alvarado )

Mike Alvarado poses in the ring during a workout in front of the media in Bell, Calif., Wednesday, May 14, 2014. He and Juan Manuel Marquez, of Mexico, are preparing for their WBO welterweight elimination bout at the Forum in Inglewood, Calif., Saturday. The winner will become the mandatory challenger to WBO welterweight champion Manny Pacquiao. (AP Photo/Nick Ut) ( Márquez Alvarado Boxing )

Juan Manuel Marquez, of Mexico, poses in the ring during a media workout at a boxing club in Bell, Calif., Wednesday, May 14, 2014. He and Mike Alvarado are preparing for their WBO welterweight title elimination bout at the Forum in Inglewood, Calif., Saturday. The winner will become the mandatory challenger to WBO welterweight champion Manny Pacquiao. (AP Photo/Nick Ut) ( Marquez Alvarado Boxing )