Prominent Democrat and Chicago Cubs co-owner Laura Ricketts endorsed Susana Mendoza for mayor.
Mendoza's campaign also announced that Ricketts will serve as co-chair of the campaign.
"Laura shares my passion for Chicago, and she knows that we must take bold action to hold elected officials accountable. Chicago deserves better," Mendoza said in a statement. "Having Laura's endorsement, enthusiasm and knowledge will help build a new and stronger future for our citya future that includes everyone and that restores faith in government."
Ricketts has served on the executive committee of the Democratic National Committee, and raised campaign funds for former President Barack Obama and Hillary Clinton. Ricketts also broke new ground by being the first openly gay professional sports owner.