Trainer Phil D’Amato saddles Rocko’s Wheel (#7, ML 10-1) in Saturday's third race at Del Mar, the one-mile El Cajon Stakes. Since Jan. 1, 2014, D’Amato is winning at a 25 percent clip in route races, for a return on investment of $2.52. Check out the Positive ROI report as part of DRF Plus. Sign up for DRF Plus here.