Mark Zuckerberg attends closed UFC Vegas 61. Facebook head honcho Mark Zuckerberg attended UFC Vegas 61 and was spotted on the broadcast sitting beside his wife during the Ilir Latifi vs. Aleksei Oleinik prelim event. The event was closed to the public and media earlier in the week, without an explanation. Main event fighter Mackenzie Dern […] Mark Zuckerberg attends closed UFC Vegas 61 (Photo) – FanSided – FanSided – Sports News, Entertainment, Lifestyle & Technology – 300+ Sites