Below are the official bonuses paid out by the UFC for UFC 80. In an interesting note, the bonuses paid out at this event was $20,000 less than for UFC 79.
Fight of the Night: Paul Kelly vs. Paul Taylor ($35,000 each)
Knockout of the Night: Wilson Gouveia KOs Jason Lambert ($35,000 to Gouveia)
Submission of the Night: B.J. Penn rear naked choke’s Joe Stevenson ($35,000 to Penn)