article_snippet: UFC president Dana White - wearing an Ireland football shirt - steps in as tempers flare onstage .
article_snippet: UFC president Dana White, who was wearing an Ireland football shirt, stepped in to prevent the Las Vegas showdown .
article_snippet: UFC president Dana White, who was wearing an Ireland football shirt, stepped in to prevent the Las Vegas showdown breaking out 14 weeks early as Jose Aldo's shouted obscenities in Portuguese while the crowd erupted.