Democratic presidential hopeful Bernie Sanders Bernie SandersNYT editorial board remembers Ginsburg: She 'will forever have two legacies' Two GOP governors urge Republicans to hold off on Supreme Court nominee Sanders knocks McConnell: He's going against Ginsburg's 'dying wishes' MORE said on Sunday that front-runner 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 is “jumping the gun” when she says she is going to be the party’s nominee.

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“Well, I think she might want to talk to the people of Indiana, West Virginia and Oregon, who voted very strongly for me in the last three contests; people of Kentucky, who kind of split the delegates; and I think we’re going to do very well in the nine remaining contests,” Sanders said on ABC’s “This Week.”

“We understand that we have about 46 percent of the pledged delegates,” he said. “In order to get 50 percent, we're going to have to do very, very well in the remaining nine contests. I think we have a shot. It's going to be an uphill climb, but I think we have a shot to do that. We're going to fight as hard as we can for every delegate and every vote.”

Sanders also cited polls in recent weeks that show he would defeat presumptive Republican nominee 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 by wider margins than Clinton.

“You got a lot of superdelegates out there. Four hundred of them actually came on board Clinton's campaign before anybody else was in the race,” he said. “I ask those superdelegates to take a look at which candidate is the stronger candidate to defeat Donald Trump, something that has got to happen in my view. I think the objective evidence is our campaign is the strongest campaign to defeat Trump.”