Vending Machine, who won the Eddie Logan Stakes on Dec. 30 at Santa Anita, is the 2-to-1 morning-line favorite in a field of eight for the California Derby. Hall of Fame jockey Kent Desormeaux will ride the Peter Miller-trained Vending Machine instead of Sonneteer, a five-race maiden trained by Kent’s brother, Keith. [...] Conflated, who was placed first by disqualification in his second start, has two-time Kentucky Derby-winning connections: jockey Mario Gutierrez, trainer Doug O’Neill and owner Reddam Racing LLC. Jockey Jerry Olguin, who plans to retire after riding Jan.