In the main event former Pride Open-weight Grand Prix Champion Mirko "Cro Cop" Filipovic (27-7-2) took on former UFC heavyweight champion Frank Mir (13-5).
Frank Mir in all three rounds managed to shoot on "Cro Cop" and press "Cro Cop" against the fence but couldn't do much.
The Indianapolis crowd seemed very displeased with the performances of "Cro Cop" throughout much of the fight and booed the two fighters on several occasions.
UFC commentator Joe Rogan put the nail on the head when he said how the fight resembled an awkward sparring match.
Towards the end of the third round, Filipovic finally would open up with strikes, but he was met with a devastating knee from Mir and was knocked out with just 58 seconds left into the fight.
Frank Mir knocks out Mirko "Cro Cop" Filipovic by KO (Knee) at 4:02 of round 3