James Carville on Tuesday said the GOP could still avoid making Donald Trump Donald John TrumpUS reimposes UN sanctions on Iran amid increasing tensions Jeff Flake: Republicans 'should hold the same position' on SCOTUS vacancy as 2016 Trump supporters chant 'Fill that seat' at North Carolina rally MORE their presidential nominee after multiple controversies.

“I honestly believe this — there’s some chance Trump is not going to be the nominee,” the pundit said on MSNBC’s “Hardball.”

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Carville said Republicans are rushing away from Trump after the billionaire criticized a judge’s Hispanic heritage.

“What we’re seeing here is a real unraveling,” he said. "I think this is going at a lot faster speed than we can imagine. I just think that when these things in politics start to happen, they just don’t stop.

“I honestly believe — and I’ve been texting and talking with a lot of people, and they don’t think I’m crazy," the Democratic strategist added, "they think there’s some chance this could happen like this.”

Carville added Sen. Ted Cruz Rafael (Ted) Edward CruzVideo of Lindsey Graham arguing against nominating a Supreme Court justice in an election year goes viral Sunday shows preview: Justice Ginsburg dies, sparking partisan battle over vacancy before election Democrat on Graham video urging people to 'use my words against me': 'Done' MORE (R-Texas), who ended his own presidential bid in May, remains the best option for Republicans if they abandon Trump before their convention next month.

“I suspect they’d have to nominate Cruz or somebody very conservative because you’d have to look at the delegates that are going to be in Cleveland,” he said.

“The pressure on [Trump] is just going to enormous in the coming weeks,” added Carville, who has endorsed presumptive Democratic presidential nominee Hillary Clinton Hillary Diane Rodham ClintonJeff Flake: Republicans 'should hold the same position' on SCOTUS vacancy as 2016 Momentum growing among Republicans for Supreme Court vote before Election Day Warning signs flash for Lindsey Graham in South Carolina MORE.

“This is what in law school we like to call a declaration against interests. I want him to be the nominee. I don’t know what’s going to happen in Cleveland if he’s not.”

Trump has repeatedly insisted Judge Gonzalo Curiel’s “Mexican” heritage makes him biased against the businessman.

Curiel is overseeing a handful of lawsuits against Trump University that allege the program defrauded students and left them saddled with debt.

Sen. Mark Kirk Mark Steven KirkLiberal veterans group urges Biden to name Duckworth VP On the Trail: Senate GOP hopefuls tie themselves to Trump Biden campaign releases video to explain 'what really happened in Ukraine' MORE (R-Ill.) earlier Tuesday reversed his endorsement of Trump, arguing attacking Curiel’s race is “dead wrong” and “un-American.”

Gov. Brian Sandoval (R-Nev.), meanwhile, said his vote for Trump is “not for sure” after previously pledging he would back the real estate tycoon.