Yet there they were in the lobby of the Trump Tower in New York City, sharing a very public embrace as Donald Trump's victory in Indiana made it clear he was on track to be the Republican nominee for president. The improbable had come to pass.
"It's professionally very satisfying," campaign manager Corey Lewandowski said in an interview. "A lot of us have been here from the very beginning when the professional pundits said this was a career-ender and we weren't going anywhere."
Lewandowski's path to Trump Tower was an unlikely one. He grew up in Lowell, Massachusetts, worked as a political operative on Capitol Hill, graduated from the New Hampshire state police academy and took a job with Americans for Prosperity, a Koch brothers-backed advocacy group.
He had no national campaign experience when Trump, after a brief introduction, hired him on the spot to run his bid.
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Neither did Trump's spokeswoman, Hope Hicks, a former Ralph Lauren fashion model and a public relations pro who worked for Trump's daughter, Ivanka, and became essentially a one-woman communications shop for a campaign that has attracted unprecedented media attention.
"These are people who just believed in my father and what he was doing," Eric Trump, one of the candidate's children, said in an interview on Thursday. "That's what makes it special. They wanted to drop everything they were doing to help out. We have a fraction of the staff that other campaigns have yet look where we are."
Scavino, Lewandowski and national political director Michael Glassner were among the members of the campaign staff watching on television when Ted Cruz announced he was suspending his campaign, clearing the path for Trump to become the GOP standardbearer. No one quite remembers who initiated the group hug that was captured on Twitter feeds.
Iowa conservative Sam Clovis signed on with Trump in August, after quitting former Texas Gov Rick Perry's struggling campaign. At the time, the move prompted more than a few raised eyebrows in the state's Republican circles, but Clovis says now that his instincts were right.
"I never took it personal," said Clovis, national co-chairman and policy adviser. "The idea was that I felt that Mr Trump had a lot to offer the country and we worked hard. It's been a really hard fought battle," he said.