Duc.....huge MMA fan here.

Do you get FS1 and FS2? Root Sports NW?

Fights on FS2 most every early morning, and then there's Muay Thai
on RSNW at least once a week, again usually starting at 2-3AM.

If you get AXS TV, every Friday night there's MMA, hosted by Michael Schavello and Pay Militech. Usually as good of fights as you'll find on UFC (and sometimes better).

A DVR is a must have..