Former Democratic presidential hopeful and Rep. Seth Moulton Seth MoultonOvernight Defense: Nearly 500 former national security officials formally back Biden | 40 groups call on House panel to investigate Pentagon's use of coronavirus funds The Hill's Morning Report - Presented by Facebook - Markey defeats Kennedy; Trump lauds America's enforcers in Wisconsin Moulton fends off primary challenges in Massachusetts MORE (D-Mass.) said on Friday that he believed former Vice President Joe Biden Joe BidenFormer Pence aide: White House staffers discussed Trump refusing to leave office Progressive group buys domain name of Trump's No. 1 Supreme Court pick Bloomberg rolls out M ad buy to boost Biden in Florida MORE would make a "fantastic president."

The comments came shortly after Moulton ended his presidential bid, having failed to gain traction in the polls and on the campaign trail.

“I do think that Trump is going to be hard to beat,” Moulton told The Washington Post. “I think Vice President Biden would make a fantastic president. He’s a mentor and a friend, and I’ve been impressed by the campaign he has run so far.”

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“It’s evident now that this is essentially a three-way race” among Biden, Sen. Elizabeth Warren Elizabeth WarrenOvernight Defense: Appeals court revives House lawsuit against military funding for border wall | Dems push for limits on transferring military gear to police | Lawmakers ask for IG probe into Pentagon's use of COVID-19 funds On The Money: Half of states deplete funds for Trump's 0 unemployment expansion | EU appealing ruling in Apple tax case | House Democrats include more aid for airlines in coronavirus package Warren, Khanna request IG investigation into Pentagon's use of coronavirus funds MORE (D-Mass.) and Sen. Bernie Sanders Bernie SandersSirota reacts to report of harassment, doxing by Harris supporters Republicans not immune to the malady that hobbled Democrats The Hill's Morning Report - Sponsored by Facebook - Republicans lawmakers rebuke Trump on election MORE (I-Vt.), he continued.

Moulton went on to express concerns that the Democratic primary “veering too far left could lose us this election," citing health care in particular.

“I think we should strengthen ObamaCare and have a robust public option that can compete against private plans,” the congressman said.

Biden has repeatedly warned Democrats against embracing "Medicare for All," arguing that former President Obama's signature health care law needs to be improved instead.

The former vice president's campaign has also stressed that Biden has the best chance of beating Trump in a head-to-head match-up.

"So yes, you know, your candidate might be better on, I don’t know, health care, than Joe is, but you’ve got to look at who’s going to win this election, and maybe you have to swallow a little bit and say, 'OK, I personally like so-and-so better,' but your bottom line has to be that we have to beat Trump," Jill Biden, Joe Biden's wife, said earlier this week.