“I’ve said this before,” Romney said. “If any of the people I ran against happened to become the nominee, I would have endorsed them and supported them for president. So of course they’d be on that list – and he, among others.”

Romney did make clear, however, that his campaign does not have a list of vice presidential picks.

“I don’t have a list, yet,” Romney said. “So I can’t say someone is on or off my list.”