Lieutenant Governor TIm Murray

Eyeing his seat: 2012 DNC chief Steve Kerrigan and his fellow former Edward Kennedy aide, Gerry Cavanaugh; state Representative Hank Naughton; and Mayor Kim Driscoll of Salem.

Treasurer Steve Grossman

Eyeing his job: State auditor Suzanne Bump, Mayor Lisa Wong of Fitchburg, Mayor Thatcher Kezer of Amesbury, and Katherine Clark.

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Mayor Kim Driscoll of Salem

Mayor Joe Curtatone of Somerville

Representative Mike Capuano

Eyeing his seat: Mayor Joe Curtatone of Somerville and the other half of the Boston City Council.