UFC On FX 8 is really starting to take shape. A new lightweight bout between Mike Rio and Francisco Trinaldo has been added to the card. Trinaldo is 2-1 in the UFC and is coming off of a win over CJ Keith via submission. Rio is looking to add to his first UFC win over”¦The post Mike Rio and Francisco Trinaldo Added To UFC On FX 8: Belfort Vs Rockhold appeared first on Fighters.com.