Trainer Gary Scherer saddles P J's Angel (#4, ML 7-2) in Friday's fourth race at Canterbury Park, an about one-mile and 70 yards maiden special weight race on turf. Since Jan., 1, 2014, Scherer is winning at a 26 percent clip in maiden special weight races, for a return on investment of $6.13. Check out the Positive ROI report as part of DRF Plus. Sign up for DRF Plus here.