SportsMixed Martial Arts UFC 146 video roundup, part 1 By Mark La Monica Updated May 25, 2012 1:51 PM Print Share fbShare Tweet Email Part 1 of the UFC 146 video roundup concentrates on the main event between heavyweight champion Junior Dos Santos and challenger Frank Mir. Below are four videos in the "Related" section. Watch and enjoy. Share on Facebook Share on Twitter Comments We're revamping our Comments section. Learn more and share your input.