Estuardo Mazariegos and Jose Ugarte, running against each other for a city council seat representing part of South Los Angeles, are immigrants from Latin America who arrived undocumented as children.
Both 40 years old, they grew up in the area and established themselves as community organizers.
And no matter which of them wins election on Nov. 3, it will be a historic change for Council District 9, which has been represented by a Black council member since 1963, even as its demographics shifted to a Latino majority…