The Rancho Cucamonga Quakes are a minor league baseball team in Rancho Cucamonga, California, USA. They are a Class A – Advanced team in the California League and a farm team of the Los Angeles Dodgers, their third major league affiliate as the Rancho Cucamonga Quakes. The franchise was originally founded in Lodi, California in 1966, with its home field as the Tony Zupo Field. The team then went through several new names and ownership changes. After changing their name from the Spirit to the Quakes in 1993 and moving to Rancho Cucamonga, the team plays its home games at LoanMart Field, where the team has broken a number of seasonal attendance records for their league.