A source close to his re-election campaign didn't elaborate on who exactly they were cutting ties with.
NBC's report also included new details of the poll, which apparently showed Trump trailing Biden by seven points in Iowa, eight in North Carolina, 17 in Virginia, one in OH, six in Georgia, 14 in Minnesota, and 15 in Maine.
A March poll pitted Biden against Trump, having Trump winning by four percentage points. Trump found narrows leads against Hillary Clinton in those states during his election campaign played an important role in his ultimate victory. He had carried the three states during his 2016 election campaign.
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The campaign has "seen huge swings in the president's favor" and the president isn't trailing in any states the campaign has tested him against particular Democrats, Parscale said.
Speaking about a "more likely turnout model patterned after 2016", he said Trump was leading a "competitive" race with a defined Democratic candidate.
Trump tweeted on Saturday that, "Despite the Greatest Presidential Harassment of all time by people that are very dishonest and want to destroy our Country, we are doing great in the Polls, even better than in 2016". His campaign called the numbers old and outdated. "He's coughing in the middle of my answer", Trump said, pointing toward Mulvaney.