Trainer Jose Camejo saddles Madelyn's Finest (#4, ML 3-1) in Thursday's fourth race at Louisiana Downs, a 5 1/2-furlong optional claimer. Since Jan., 1, 2014, Camejo is winning at a 32 percent clip when saddling a horse in a sprint, for a return on investment of $2.95. Check out the Positive ROI report as part of DRF Plus. Sign up for DRF Plus here.