UFC 86: Jackson vs. Griffin

UFC 86: Jackson vs. Griffin was a mixed martial arts event held by the Ultimate Fighting Championship (UFC) on July 5, 2008, at the Mandalay Bay Events Center in Las Vegas, Nevada.

The title bout between Quinton "Rampage" Jackson and Forrest Griffin, coaches on The Ultimate Fighter: Team Rampage vs. Team Forrest, was for Jackson's UFC Light Heavyweight Championship.

A heavyweight bout between Frank Mir and Justin McCully was cancelled due to Mir's signing on as a coach for the upcoming The Ultimate Fighter: Team Nogueira vs. Team Mir, which will set up a match between Mir and UFC Interim Heavyweight Champion Antônio Rodrigo Nogueira.

Both the Chris Wilson vs. Steve Bruno and Ben Saunders vs. Jared Rollins bout were rescheduled for UFC 87.