NSAC executive director Keith Kizer said the July 11 show at the Mandalay Bay Events Center in Las Vegas had a live gate of $5,128,490, with 9,793 in paid attendance (1,078 tickets were comped for a total audience of 10,871).
The previous high was $5,397,300 for UFC 66, when 12,191 filled the MGM Grand Garden Arena on Dec. 30, 2006 and saw Chuck (The Iceman) Liddell successfully defend his title for the fourth straight time with a TKO win over Tito Ortiz in the main event.
http://www.sportsnet.ca/mma/2009/07/22/ufc100_gate/