...Jose Canseco, right, throws a punch against Todd Poulton, a local amateur boxer, during a boxing match in Springfield, Mass., Friday, Nov. 6, 2009. Canseco is among a group of D-list celebrities...

Floyd Mayweather Jr. during his non-title welterweight fight against Juan Manuel Marquez, of Mexico, in Las Vegas, Monday, Sept. 21, 2009. (AP Photo/R...

Mikkel Kessler vs. Andre Ward

Manny Pacquiao and Floyd Mayweather Jr.

Manny Pacquiao and Floyd Mayweather Jr.

Jose Canseco, left, throws a left against Todd Poulton, right, a local amateur boxer, during a boxing match in Springfield, Mass., Friday, Nov. 6, 2009. Canseco is among a group of D-list celebrities...

...Rodney King stretches prior to a boxing match against former basketball player, Derek MacIntosh, in Springfield, Mass., Friday, Nov. 6, 2009. King is among...

Rodney King, right, faces former basketball player, Derek MacIntosh, left, in a boxing match in Springfield, Mass., Friday, Nov. 6, 2009. King is among a group of D-list celebrities...

Jose Canseco, left, and Michael Lohan during a boxing match in Springfield, Mass., Friday, Nov. 6, 2009. Canseco is among a group of D-list celebrities...

Celebrity boxing poster

PHILADELPHIA - JUNE 03: Celebrity Boxing Promoter Damon Feldman and former Major League Baseball player Jose Canseco promote their upcoming fight at a...

...Jose Canseco, right, throws a punch against Todd Poulton, a local amateur boxer, during a boxing match in Springfield, Mass., Friday, Nov. 6, 2009. Canseco is among a group of D-list celebrities...

Nov. 14, 2009; Las Vegas, NV, USA; Manny Pacquiao celebrates his victory over Miguel Cotto in their welterweight title fight at the MGM Grand. Mandato...

...his gym, Wednesday, Sept. 2, 2009 in Las Vegas. Mayweather will face Juan Manuel Marquez in a boxing match on Sept. 19, 2009 at the MGM Grand Garden Arena in Las Vegas. (AP Photo/Isaac...

Philippine boxing champ Manny Pacquiao sings at his victory concert at a shopping mall in Manila on May 8...