With primary Election Day tomorrow, Detroiters are choosing the two candidates who will battle to a November finish in the pivotal open-seat mayor's race. Why it matters: Nine certified candidates want to succeed Mayor Mike Duggan,

All nine candidates were part of a live radio interview held at Eastern Market. The top two vote-getters in the primary will go head-to-head in November.

Detroit voters will take a key step toward choosing a new mayor in the municipal primary on Tuesday, when nine candidates will appear on the ballot in the city’s first open-seat mayoral race in a dozen years.