“I’m my own person and I’m going to win this election with or without D.C.," he said at a press conference on Monday, according to the Boston Globe.

Sen. John McCainJohn McCainOvernight Defense: General warns State Department cuts would hurt military | Bergdahl lawyers appeal Trump motion | Senators demand action after nude photo scandal Senate lawmakers eye hearing next week for Air Force secretary: report House Intel chairman under fire from all sides MORE (R-Ariz.) is scheduled to appear at a fundraiser for the Gomez Victory Fund later this month, the Globe reported. And a PAC affiliated with former GOP presidential nominee Newt Gingrich contributed $5,000 to Gomez's campaign this week.

The National Republican Senatorial Committee, too, has launched Web videos hammering Gomez's Democratic opponent in the special election to replace Secretary of State John KerryJohn KerryCongress, Trump need a united front to face down Iran One year ago today we declared ISIS atrocities as genocide Trump’s realism toward Iran is stabilizing force for Middle East MORE (D), Rep. Edward MarkeyEd MarkeyThe Hill’s Whip List: Where Dems stand on Trump’s Supreme Court nominee Overnight Regulation: Senate moves to strike Obama-era internet privacy rules Overnight Tech: Senate votes to eliminate Obama internet privacy rules | FCC chief wants to stay out of 'political debate' on fake news | Wikileaks reveals new CIA docs MORE.

But Gomez will need to convince Massachusetts voters that he can serve independently of the national GOP, as President Obama remains popular in the state after winning Massachusetts with more than 60 percent of the vote in 2012.

And tying the national GOP around former Sen. Scott Brown's (R) neck helped Sen. Elizabeth WarrenElizabeth WarrenThe Hill’s Whip List: Where Dems stand on Trump’s Supreme Court nominee Senators war over Wall Street during hearing for Trump's SEC pick Senators demand Pentagon action after nude photo scandal MORE (D) defeat him in 2012.

Indeed, Gingrich himself advised Gomez in the Boston Herald to "run as a Navy SEAL and not as a Republican candidate."

Part of Gomez's main pitch to voters is that he's an independent outsider running against a creature of Washington who has served nearly four decades in Congress. Help from Republicans in Washington could undermine that narrative.

Gingrich admitted that support from "someone like me is a two-edged sword," and that he believes the Gomez campaign would "rather Markey get all the Washington money."

Markey doesn't face a similar conundrum in the blue-leaning state, and a number of big-name Massachusetts and national Democrats — including Warren and first lady Michelle ObamaMichelle ObamaObama and Trump haven’t talked since inauguration For Democrats, no clear leader Obama reportedly spending a month in French Polynesia MORE — are campaigning for the candidate.