Trainer Norm McKnight saddles Bold Ambition (#5, ML 7-2) in Friday’s sixth race at Woodbine, a six-furlong maiden special weight race. Since Jan. 1, 2014, McKnight is winning at a 31 percent clip in sprint races, for a return on investment of $2.87. Check out the Positive ROI report as part of DRF Plus. Sign up for DRF Plus here.