Democratic presidential candidate Bernie Sanders Bernie SandersKenosha will be a good bellwether in 2020 Biden's fiscal program: What is the likely market impact? McConnell accuses Democrats of sowing division by 'downplaying progress' on election security MORE repeated predictions on Tuesday that he would beat front-runner Hillary Clinton Hillary Diane Rodham ClintonWhat Senate Republicans have said about election-year Supreme Court vacancies Bipartisan praise pours in after Ginsburg's death Trump carries on with rally, unaware of Ginsburg's death MORE in the New York primary next week, despite polls consistently showing the former Empire State senator in the lead.

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“We will win a major victory here in New York next Tuesday,” Sanders said at a rally in Syracuse.

Clinton has had double-digit leads over the Vermont senator in most surveys of New York Democrats, including one released Tuesday afternoon.

Still, Sanders touted his polling in a theoretical head-to-head matchup with Republican front-runner Donald Trump Donald John TrumpObama calls on Senate not to fill Ginsburg's vacancy until after election Planned Parenthood: 'The fate of our rights' depends on Ginsburg replacement Progressive group to spend M in ad campaign on Supreme Court vacancy MORE to make his case for the nomination.

“In several election poll matchups, we are beating Trump by 20 points,” Sanders said. “With a larger margin than Secretary Clinton.”

Sanders is a Brooklyn native who is fighting hard for New York's big delegate haul. In particular, he and Clinton have sparred over her friendliness with Wall Street and big business, which Sanders have said are "destroying the moral fabric of this country."