The Pay-Per-View card of UFC 86 kicks off with lightweights Marcus Aurelio vs. Tyson Griffin.

The first fight of the night is getting booed for the first 100 seconds when Griffin is able to get a take down on Aurelio. However instead of mounting his opponent, he is standing above him and striking. Aurelio is able to defend himself while on his back for almost two minutes before getting back to his feet. Both fighters stay on their feet for the rest of the round.

Both fighters start out stronger in the second round but neither fighter can score a big punch. With 1:40 into the round, Griffin has Aurelio pinned against the Octagon attempting to score a take down, but Aurelio is standing his ground. Griffin finally gets his take down three minutes into the round. Aurelio breaks free and has position for a while before Griffin reverses. With more than a minute into the round, Aurelio attempts a triangle choke but can't hold it. The round ends with Griffin on top.

Both fighters are more cautious to start the final round. Both fighters are just looking for an opening. Aurelio goes for a take down two minutes into the round but it is easily blocked. Griffin lands a series of successive punches and kicks that has Aurelio backing up. Aurelio goes for a take down, but is instead pushed down to the ground and dominated by Griffin. Griffin almost makes a mistake and gets his right arm in an arm bar before getting it free. Griffin stays on top as the round ends.

Griffin is declared the winner on all three scorecards, 30-27, and improves to 12-1 while Aurelio falls to 14-6.