What kind of pay per view numbers can Pacquiao and Margarito hope for?

Manny Pacquiao takes on Antonio Margarito in November at a still do be confirmed location, and one of the biggest questions surrounding the fight is what kind of buy rate the pair can achieve. Pacquiao is as popular as ever despite a second failed attempt to put together a fight with arch rival Floyd Mayweather. He is also once again breaking records by challenging for an 8th world title in an 8th weight class. Margarito will be in his first big fight back since his suspension for using loaded h…