Churcill Downs

Stonestreet Stables' 'TDN Rising Star' Beau Liam (Liam's Map), unbeaten in three starts in the lower grades, takes a steep rise in class as he squares off with the well-traveled Rushie (Liam's Map) in Saturday's GIII Ack Ack S. at Churchill Downs. Each could book a ticket to this year's GI Breeders' Cup Dirt Mile, won in spectacular fashion by their sire at Keeneland in 2015. The homebred turned in a freakish effort on debut, sitting off a quick pace, cruising past the front-runners under a hold and scampering home...