Watch UFC Fight Night 28: 'Teixeira vs Bader' Prelims fights online | Live free stream video

Ultimate Fighting Championship (UFC) makes its return to FOX Sports 1 at 5 p.m. ET this afternoon (Weds., Sept. 4, 2013) at Mineirinho Arena in Belo Horizonte, Brazil.

But, the mixed martial arts (MMA) action kicks off on Facebook.com and YouTube.com at 4:30 p.m. ET with its lone online "Prelims" match that features welterweights Sean Spencer vs. Yuri Villefort. And you can watch that bout unfold right here on MMAmania.com in the video player below.

Once the Facebook.com / YouTube.com "Prelims" stream ends, the MMA action will transition to FOX Sports 1 at 5 p.m. ET before the main card begins at 7 p.m. ET, featuring a main event between UFC light heavyweight contender Glover Teixeira taking on former Ultimate Fighter (TUF) 8 champ Ryan Bader.

Find out how, when and where to watch tonight's show by clicking here.

To follow these fights, as well the rest of the "Teixeira vs. Bader" fight card, be sure to check out MMAmania.com's comprehensive UFC Fight Night 28 play-by-play coverage RIGHT HERE.

And, of course, be sure you make MMAmania.com your home for tonight's UFC Fight Night 28 action (and discussion) on FOX Sports 1.

Enjoy!