The best Hatton can beat Manny Pacquiao.

This fight is decided by Hatton.
If he shows up with the resolve and vigour of the Hatton that beat Tszyu (and perhaps Castillo) I feel he will stop Manny.

However, if the lethargic Hatton that fought Collazo or the mentally fried Hatton that fought Mayweather showed up then Manny will handle him.