The left-handed hitter has experience playing second base and third base, and he projects as a contact-hitting utility man.
Fernandez signed for a $200,000 bonus.
Fernandez, who defected from Cuba in December 2015, played seven seasons for Matanzas in Cuba's Serie Nacional, the country's top league. He was suspended from the Cuban League in 2015 for trying to defect, but last April was declared a free agent. He most recently played winter ball in the Dominican Republic.
Ken Gurnick has covered the Dodgers for MLB.com since 2001. This story was not subject to the approval of Major League Baseball or its clubs.