Apprentice jockey Laura Werner faces approximately eight weeks of recovery after suffering a broken collarbone in a spill Sunday at Los Alamitos, according to her agent, Carolyn Conley.Werner, 21, was unseated when Dressed in Prada stumbled a few strides away from the gate in Sunday’s third race. Werner was hospitalized briefly on Sunday and was scheduled to have surgery Thursday to have a plate and screw placed in the collarbone to stabilize the injury, Conley said in a text message.Werner, 21, has three wins at the Los Alamitos meeting and has won 12 Thoroughbred races in this country. She won four races in New Zealand before moving to California.