Is the former Utah governor hinting he will go third party of he doesn't get the GOP nomination?
John B Anderson proved a spoiler in the 1980 presidential race despite earning only 7% of vote (figure comes from Politico article linked).
The "red" electoral a map on election night masked a Reagan win based on drawing away votes mostly from incombent Jimmy Carter a with a third candidate.
After Citizens United there its even more money to spend on third party shenanigans these days.