Trainer Michele Boyce saddles Devil's Rose (#8, ML 12-1) in Thursday's eighth race at Arlington Park, an about one-mile allowance on turf. Since Jan., 1, 2014, Boyce is winning at a 27 percent clip in allowances, for a return on investment of $3.02. Check out the Positive ROI report as part of DRF Plus. Sign up for DRF Plus here.