Good numbers, Khan should fight several of the top 140lbs names on regular HBO, maybe get Tim Bradley in there on regular HBO to build his name even further. Tim Bradley thinks he's a ppv star already, apparently... dude can't even fill his living room to watch him fight.
It's probably not 3M. -- ...A pair of 2009 fights were more-watched than this one. The September 2009 fight between Vitali Klitschko and Chris Arreola did 2.124 million viewers, which is HBO's highest-rated fight in recent memory, and benefited from having the Mayweather vs Marquez replay preceding the live broadcast. And in January 2009, the Antonio Margarito vs Shane Mosley fight did 1.9 million viewers. -- http://www.badlefthook.com/2011/5/25/2189632/pascal-vs-hopkins-rematch-does-1-8-million-viewers-on-hbo