In late May, Tito Ortiz made a public appearance at a Donald Trump rally, holding up a bumper sticker that read, “Hillary Clinton killed my friends.” It wasn’t the first time he’d publicly backed the demagogue developer; earlier this year he went on a radio show and explained his support of Trump by delivering a jumbled approximation of a sentence about extremists and Mexicans. (Ortiz himself is of Mexican descent.) Before that, he was a contestant on Trump’s show Celebrity Apprentice; the future GOP nominee fired him.
Source: Kotaku – Why Are So Many MMA Fighters Truthers, Conspiracists, And Just Plain Weird?