Joe Biden Joseph (Joe) Robinette BidenWoman to undecided Biden: 'Just say yes' to 2020 bid Poll shows Biden leads Democrats vying for 2020 nomination The Hill's Morning Report - Dems appear to have votes to counter Trump on emergency MORE is recording a robocall for Alabama Democratic Senate candidate Doug Jones that will go out to voters on Monday, according to Politico.

The former vice president joins former President Obama, who has also recorded a separate robocall in support of Jones.

Biden’s call will not mention Jones's Republican rival, Roy Moore, according to Politico, who spoke with a source close to the Jones campaign. Biden campaigned for Jones in Alabama in October, before the sexual misconduct allegations against Moore were reported.

President Trump Donald John TrumpREAD: Cohen testimony alleges Trump knew Stone talked with WikiLeaks about DNC emails Trump urges North Korea to denuclearize ahead of summit Venezuela's Maduro says he fears 'bad' people around Trump MORE, meanwhile, has recorded one for Moore.

In Obama’s robocall, he refers to Jones as a “champion for justice” and encourages Alabama voters to “get out and vote" on Tuesday.

“This one’s serious,” Obama says. “You can’t sit it out.”

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Trump's call in support of Moore says the Republican candidate will help Trump “steer this country back on track after eight years of the Obama disaster."

Trump has thrown his support behind Moore despite multiple allegations of sexual misconduct, including assault, against the candidate. Other GOP lawmakers have called for Moore to withdraw from the race and insisted on an “immediate ethics investigation” if he is elected.