This was said on his FB page:
Hoy a mis 39 años de edad, eh decidido retirarme, ya hice lo que tuve que hacer en boxeo, desmostre ser el mejor ganadole a los mejores.
Feliz dia de los inocentes, aun estoy negociando con la familia que es lo que viene para nosotros, no se pierdan nustro programa en ESPN y disfruten nustras costumbres!!!
http://www.facebook.com/pages/Juan-Manuel-Marquez/199400996742921?ref=ts&fref=ts
I would like for him to retire on top what a way to retire if he did. The only reason he should fight again if Arum gives him a 15 million guarantee to fight Pac again. Money talks and bull s**t walks.
We'll see if that Pacquiao payday doesn't lure him back for a 5th fight. This is a good thing. He has nothing to prove. What a way to go out.
Let Manny fight other top fighters at 140-147.
Translation is now at age 39 I have decided to retire, I already accomplished what I had to do in boxing. I showed I was the best by beating the best ones.