All of the Senate's Democratic women have reportedly signed a letter throwing their support behind Hillary ClintonHillary Rodham ClintonTrump: I wish Ivanka and Chelsea Clinton weren't friends Poll: Clinton up by 6 nationally Romney: Trump victory 'very possible' MORE's expected bid for president in 2016, the latest indication the former secretary of State would clear the field if she ran.
According to Capital New York, Sen. Kay HaganKay HaganDemocratic National Convention event calendar 10 Senate seats most likely to flip in 2016 Senate Republicans are feeling the 'Trump effect' MORE (D-N.C.) told a gathering of Democratic women hosted by EMILY's List of the letter.
“All of the Senate Democratic women have written her a letter encouraging her to run,” Hagan said at the Monday event.
Hagan said she does, indeed, support a potential Clinton presidential bid, a shift from 2008 when she avoided backing either Clinton or then-Sen. Barack ObamaBarack ObamaNigeria is making progress on economic reform and security Obama the 'X' factor of the 2016 cycle FULL SPEECH: Hillary Clinton closes out Democratic convention MORE in the Democratic primary.
According to ABC News, the letter was organized by Sen. Barbara BoxerBarbara BoxerReid faces Sanders supporters' fury at DNC Calif. Dem touts her 'badass' sister's Senate run The Trail 2016: One large crack in the glass ceiling MORE (D-Calif.) as a "private show of support" for their former colleague.
The former secretary of State has not yet decided on a run, but Democrats expect her to enter the race and largely clear the field.
The reported letter is the latest indication that Clinton's candidacy would likely dissuade other contenders from running.
Sens. Kirsten GillibrandKirsten GillibrandMcAuliffe: I wouldn't want a 'caretaker' in Kaine's Senate seat Tim Kaine backs call to boost funding for Israeli missile defense The Trail 2016: The newrevolution begins MORE (D-N.Y.), Amy KlobucharAmy KlobucharTim Kaine backs call to boost funding for Israeli missile defense Senate Dems push Obama for more Iran transparency Senators launch broadband caucus MORE (D-Minn.) and Elizabeth WarrenElizabeth WarrenWasserman Schultz: 'Sometimes you just have to take one for the team' Chelsea Clinton's big moment Kaine as Clinton's VP pick sells out progressive wing of party MORE (D-Mass.) have all been mentioned as possible Democratic contenders, but if they've signed onto the letter, that signals they'd step aside for Clinton.
At least one female senator, Claire McCaskillClaire McCaskillDems begin ‘treason’ talk against Trump The Republicans' hypocrisy on minimum wage Watchdog faults Energy Department over whistleblower retaliation MORE (D-Mo.), has already announced she'd support a Clinton presidential bid, backing the pro-Clinton super-PAC Ready for Hillary.
Hagan, Clinton and Boxer's offices did not respond to a request for comment.