SAN JOSE (CBS SF) – Voters in the Bay Area’s largest city are deciding between City Councilmember Sam Liccardo and Santa Clara County Supervisor Dave Cortese in the race to replace outgoing Mayor Chuck Reed.

With 126 of 495 precincts reporting, Liccardo is leading Cortese, 50.85 percent to 49.15 percent.

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A recent KPIX 5 / SurveyUSA poll showed the mayor’s race was up for grabs. While Cortese led Liccardo 44 percent to 38 percent, 19 percent of voters surveyed said they were undecided days before Tuesday’s election.

Cortese has the backing of the police union, whose president told KPIX 5 that officers would leave if Liccardo was elected. Liccardo had backed a voter-approved pension reform measure that requires city workers to pay more into their pensions.

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Liccardo received endorsements from Mayor Chuck Reed, former Mayor Susan Hammer and the San Jose Mercury News. Along with the police union, Cortese was endorsed by firefighters and the Santa Clara County Democratic Party.