Sen. Elizabeth Warren Elizabeth WarrenBiden's fiscal program: What is the likely market impact? Warren, Schumer introduce plan for next president to cancel ,000 in student debt The Hill's 12:30 Report - Presented by Facebook - Don't expect a government check anytime soon MORE (D-Mass.) said Wednesday that she would agree to running as vice president on the Democratic ticket with presumptive presidential candidate Joe Biden Joe BidenMomentum growing among Republicans for Supreme Court vote before Election Day Trump expects to nominate woman to replace Ginsburg next week Video of Lindsey Graham arguing against nominating a Supreme Court justice in an election year goes viral MORE.

Asked by MSNBC’s Rachel Maddow Rachel Anne MaddowMichael Cohen: Trump hates Obama because he's everything he 'wants to be' The Hill's 12:30 Report - Presented by Facebook - Trump floats 0M+ in personal spending for reelection bid Feehery: Unconventionally debunking the latest political conventional wisdom MORE what she would say if the former vice president asked her to be his running mate, Warren said she would say yes.

The comments come just hours after Warren endorsed Biden, her former primary opponent, in the race.

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Warren expanded on her endorsement Wednesday during her interview with Maddow, praising Biden for his empathy that she said would be beneficial in leading the country, especially amid the coronavirus pandemic.

Warren said President 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 measures crises in terms of what advances his personal political and financial interests.

“Biden is very different; he is the kind of man who has human empathy,” Warren said.

“He’s a man who has a good heart and that's what we need in a leader — someone who is steady, who is prepared, but ultimately who cares not just about himself, but cares about everyone," she continued. "That is what's going to get us through this crisis, that is what's going to help us rebuild this country."

Warren has been floated as a possible running mate for Biden, who has already pledged to choose a female running mate.

Biden said he is considering somewhere between six and 10 candidates for the slot, but it’s unclear if that list includes Warren.

Warren was among the last of Biden's former presidential primary opponents to endorse him in the race. Sen. 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 (I-Vt.), the last to drop out, endorsed Biden earlier this week. Biden also cinched an endorsement from former President Obama.