Republican presidential nominee Donald Trump Donald John TrumpOmar fires back at Trump over rally remarks: 'This is my country' Pelosi: Trump hurrying to fill SCOTUS seat so he can repeal ObamaCare Trump mocks Biden appearance, mask use ahead of first debate MORE’s son appeared to call the presidency a “step down” for his father during an interview on Fox News following the final 2016 presidential debate.

"He hasn’t spent his whole life to be up on the debate stage like a career politician,” Donald Trump Jr. said when asked about his father’s debate performance. "He spent his life creating jobs, building things, doing things that would benefit American workers in this country.

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"Imagine, if he was doing this for his whole life, he’d be the greatest politician in the history of the world."

Trump Jr. said he father was learning as he goes, "because he’s a real American."

"Unlike Hillary Clinton Hillary Diane Rodham ClintonButtigieg stands in as Pence for Harris's debate practice Senate GOP sees early Supreme Court vote as political booster shot Poll: 51 percent of voters want to abolish the electoral college MORE, who’s gotten very rich being a politician, peddling American influence, he hasn’t,” he continued, referring to the Democratic presidential nominee.

"This is only a step down.”

Trump stirred controversy during the debate when he refused to say he would accept the election results regardless of the outcome.

“I will keep you in suspense,” the Republican told moderator Chris Wallace.