By Salvador Rodriguez

Former four division world champion Juan Manuel Marquez is not sure if he'd be willing to face Manny Pacquiao for a fifth time - even if Pacquiao defeats WBO welterweight king Timothy Bradley on April 12th at the MGM Grand in Las Vegas. Marquez is considering a May 17th return against Mike Alvarado at the Forum in Los Angeles, California.

Marquez, after believing he was robbed in his first three meetings, knocked out Pacquiao in vicious fashion in the sixth round of their fourth fight in December 2012.

It would take a lot to get Marquez to face Pacquiao for a fifth time, because the Mexican star fears that he might get robbed on the cards.

"A fifth world title excites me, but a fifth fight with Pacquiao does not. The important thing is to stay with that feeling of December 8, 2012 - not just for me but for all Mexicans. We won't forget that date for a long time. I don't want to lose that feeling with a bad decision, like what happened in the second and third fight. I would go through life wondering why I accepted [a fifth fight] and why I would risk something that I worked really hard to get," Marquez said.

"If Bradley wins, we would go for a rematch. But if he doesn't win, we have to analyze the pros and cons [of what to do next]. I'd like to retire in Mexico. It would be a compliment and a great satisfaction to say goodbye to my people, my country. It would be the right to do, to thank my people for their  affection by fighting for them."