Other Democrats that have been mentioned as interested in running include state Sens. Toi Hutchinson and Donne Trotter, Alderman Will Burns, former state Reps. David Mille and Robin Kelly, Pastor Corey Brooks and Sam Adam Jr., former Illinois Gov. Rod Blagojevich's (D) attorney.

The special-election primary, which will likely determine who wins the general election, will take place on Feb. 26.