The live paid gate is already at $4.4 million and, since extra seats were added, the final tally on the paid gate could end up at $4.8 million. Pay-per-view sales are expected to surpass 1 million and could reach 1.5 million. Only four bouts in history -- all Mike Tyson boxing matches -- have sold 1.5 million or more pay-per-view units.
http://www.reviewjournal.com/lvrj_home/2006/Dec-29-Fri-2006/sports/11679916.html