"Countdown" to UFC 140 video above, which aired earlier this week on FUEL TV, provides a glimpse into the preparation and training camps of the fighters who are set to headline tonight's main event between UFC Light Heavyweight Champion Jon Jones vs. Lyoto Machida.

UFC 140 is the promotion's latest upcoming pay-per-view (PPV) event, which is scheduled to take place at the Air Canada Center in Toronto, Ontario, Canadam later this evening, (Dec. 10, 2011), with the main card beginning at 9 p.m. ET.

In addition to "Bones" and "The Dragon," the "Countdown special provides a closer look into the co-main event that features a heavyweight rematch between Frank Mir vs. Antonio Rodrigo Nogueira, as well as the 205-pound scrap between struggling mixed martial arts (MMA) veterans Tito Ortiz vs. Antonio Rogerio Nogueira.

For more on UFC 140 be sure to hit up our complete news archive right here. Remember, too, that MMAmania.com will deliver LIVE UFC 140 results all night long right here.