Jaboss

Percy's Bar (Upstart) set the mark high when she ran home a winner in the Debutante Stakes at Churchill Downs on Sunday. Posting a debut score by four lengths this past spring at Keeneland, the filly came into this race with a strong series of morning works under rider Luan Machado. Made a 3-1 shot with some tough company to contend with here, she watched the race unfold after the break behind a :21.29 opening quarter. Making an eye-catching sweep through the turn, she sailed by her rivals and rolled...