Although Saturday's UFC 138 main card airs via same-day delay on Spike TV, the event's preliminary card will stream live and for free on Facebook.
The six-bout lineup begins at 5:30 p.m. GMT local time (12:30 p.m. ET/9:30 a.m. PT).
The night's main card, including a Mark Munoz vs. Chris Leben middleweight headliner, airs later that day via delay on Spike TV at 8 p.m. ET/PT.