Sen. Marco RubioMarco Antonio RubioWisconsin GOP says hackers stole .3M Hillicon Valley: Big Tech hearing the most partisan yet | Rubio warns about foreign election interference | Trump campaign site briefly hacked Rubio warns that election interference may ramp up around Election Day MORE (R-Fla.) on Friday reiterated that he would vote for Donald TrumpDonald John TrumpStephen Miller: Trump to further crackdown on illegal immigration if he wins US records 97,000 new COVID-19 cases, shattering daily record Biden leads Trump by 8 points nationally: poll MORE in a general presidential election but said he hopes that scenario never comes to pass.

“For me, I’m never voting for Donald Trump in the Republican primary,” he said on “Kentucky Sports Radio." "I’m going to vote for the nominee, but it’s not going to be Donald Trump.

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“I can’t even imagine that, and I don’t even want to imagine that right now, to be honest with you. I don’t believe it’s ever going to happen. It’s one of those bridges you hope you never have to cross.”

Rubio argued that debate over whether Trump is fit to be Republican standard-bearer shows how unsuited the billionaire is for the position.

“If it was anybody else in first place right now, we would not be asked that question,” he said when asked if he would support his GOP presidential primary rival in any fashion.

“You don’t see Bernie SandersBernie SandersTlaib, Ocasio-Cortez offer bill to create national public banking system Cutting defense spending by 10 percent would debilitate America's military The Hill's 12:30 Report - Presented by Facebook - Election night could be a bit messy MORE being asked, ‘Would you vote for Hillary ClintonHillary Diane Rodham ClintonTrump may continue to campaign after Election Day if results are not finalized: report Hillicon Valley: Biden campaign slams Facebook after thousands of ads blocked | Majority of voters in three swing states saw ads on social media questioning election validity: poll | Harris more often the target of online misinformation Analysis: Where the swing states stand in Trump-Biden battle MORE?’ ” Rubio said, referring to the Democratic presidential candidates.

“If the front-runner was me or anybody else in this race, you wouldn’t have people asking that question. They’re asking it about Donald Trump for a reason. This is a guy that people have real reservations about.”

Rubio said he rejects the notion that Americans will have to pick the lesser of two evils between Clinton and Trump in November.

He said his decision to vote for Trump if he's the nominee is "a reflection of how bad I think Hillary Clinton is."

“[But] I don’t want us to reach this choice where it’s between Hillary Clinton and Donald Trump. I don’t want people to reach this choice where it’s between two people they don’t like or a choice if they’re staying home.”

Rubio and Trump’s other GOP presidential primary rivals vowed on Thursday night they would support the real estate tycoon should he become their party’s election standard bearer.

The Florida lawmaker, Sen. Ted CruzRafael (Ted) Edward CruzThe Memo: Texas could deliver political earthquake Harris to travel to Texas Friday after polls show tie between Trump, Biden Cruz wants donors to repay K he loaned to his 2018 campaign MORE (R-Texas) and Gov. John Kasich (R-Ohio) uttered the pledge despite bashing Trump for two hours during the 11th Republican presidential debate, in Detroit.