Watch UFC 166: 'Velasquez vs Dos Santos 3' 'Prelims' fights online | Live free stream video

The first four under bouts for UFC 166: "Velasquez vs Dos Santos 3" will stream live online tonight (Sat., Oct. 19, 2013) from Toyota Center in Houston, Texas, prior to the pay-per-view (PPV) broadcast. And it is available to watch in real-time on below.

Ultimate Fighting Championship (UFC) makes its return to Houston, Texas, tonight (Sat., Oct. 19, 2013) live from Toyota Center with UFC 166: "Velasquez vs. Dos Santos 3" on pay-per-view (PPV) at 10 p.m. ET.

But, the mixed martial arts (MMA) action kicks off early on and at 6:15 p.m. ET with four competitive "Prelims" under card matches that feature some of the best up and coming talents on the promotion's roster. And you can watch those bouts right here on in the video player above.

Here is the UFC 166 "Prelims" card on

T.J. Waldburger vs Adlan Amagov
Anthony Ferguson vs Mike Rio
Jeremy Larsen vs Andre Fili
Dustin Pague vs Kyoji Horiguchi

Once the / "Prelims" stream ends, the MMA action will transition to FOX Sports 1 (formerly SPEED) at 8 p.m. ET before the main card on PPV begins at 10 p.m. ET, featuring a main event between UFC Heavyweight Champion Cain Velasquez and Junior dos Santos.

To follow these fights, as well the rest of the "Velasquez vs. Dos Santos 3" fight card, be sure to check out's comprehensive UFC 166 play-by-play coverage RIGHT HERE.

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