In an extraordinary about-face, back-of-the-pack mayoral candidate Jessica Ramos is endorsing her front-running rival Andrew Cuomo — just weeks after questioning his “mental acuity” and comparing his mental state to former President Joe Biden’s .

Ramos, a Queens state senator who was also among scores of lawmakers to call for Cuomo’s 2021 resignation as governor over sexual misconduct accusations, is expected to formally throw her political weight behind his mayoral bid at a press conference in Manhattan on Friday morning, sources confirmed to the Daily News.

Ramos and her campaign didn’t immediately return multiple calls.

But she told the New York Times, which first reported her surprising decision, that she’s going with Cuomo because “he’s the one best positioned right now to pr

See Full Page