All of the fights from the UFC's upcoming card will be available for free.
Sunday's UFC on Versus 4 main card airs live on Versus with a Nate Marquardt vs. Rick Story headliner from CONSOL Energy Center in Pittsburgh.
UFC officials since have revealed that all eight of the night's preliminary-card fights will stream for free on Facebook. Notable competitors from the card include Tyson Griffin, Joe Stevenson and Joe Lauzon.
Griffin and Stevenson, who are former UFC lightweight contenders, make their featherweight debuts against respective opponents Manny Gamburyan and Javier Vazquez.
Additionally, Lauzon takes on fellow lightweight Curt Warburton, and former middleweight Rich Attonito drops to welterweight to take on Daniel Roberts.
The Facebook stream begins at approximately 6 p.m. ET (3 p.m. PT), and the Versus card airs ay 9 p.m. ET (6 p.m. PT).
The full UFC on Versus 4 card includes:
MAIN CARD (Versus)
Nate Marquardt vs. Rick Story
Pat Barry vs. Cheick Kongo
Matt Brown vs. John Howard
Matt Mitrione vs. Christian Morecraft
PRELIMINARY CARD (Facebook)
Manny Gamburyan vs. Tyson Griffin
Joe Stevenson vs. Javier Vazquez
Joe Lauzon vs. Curt Warburton
Rich Attonito vs. Daniel Roberts
Charlie Brenneman vs. T.J. Grant
Nik Lentz vs. Charles Oliveira
Matt Grice vs. Ricardo Lamas
Edward Faaloloto vs. Michael Johnson
The UFC's Facebook page (www.facebook.com/ufc) has been used to stream a host of events this year. As MMAjunkie.com recently reported, UFC president Dana White plans to make the social-networking giant a frequent complement to its future TV broadcasts.
Source: UFC on Versus 4 preliminary card to stream on Facebook
