According to Facebook.com/UFC:
Forget what we said before about two live free prelims on Facebook – we’re giving you FOUR. Starting at 7:00 p.m. ET, click the ‘free prelims’ tab to see Waylon Lowe vs. Willamy Freire and Mike Brown vs. Rani Yahya in addition to DaMarques Johnson vs. Mike Guymon and Cody McKenzie vs. Yves Edwards.