In case you missed any of the happenings in mixed martial arts this week, Heavy.com has your back. We’ve put together “This Week In MMA” so you can get caught up on the big news items, features, video and podcasts.

Mike “The Joker” Guymon discusses his decision to retire from fighting following his UFC Fight Night 23: Fight for the Troops 2 loss to DaMarques Johnson.

Jeff Cain returns with special guest Mike “The Joker” Guymon, who announced his retirement from fighting after a loss to DaMarques Johnson at UFC Fight for the Troops 2 last weekend.

The UFC is giving us free fights streaming on Facebook. Check out this interview with the participants.

The UFC announced today that two of the “UFC Fight Night 23: Fight for the Troops 2” prelim bouts will stream live, for free, on Facebook.

Matt Mitrione vs. Tim Hague and Mike Guymon vs. DaMarques Johnson are in the works for “UFC Fight Night 23″.

Check out all the preliminary action from “UFC 121: Lesnar vs. Velasquez” beginning tonight at 7 p.m. ET.

The Ultimate Fighting Championships hosts the most exciting event of the year in Anaheim, CA for UFC 121. The fighters stepped on the scales in front of an excited crowd.

A welterweight bout between Mike Guymon and Daniel Roberts is on tap for UFC 121 in Anaheim, California.