Relishing the testing ground at Leopardstown on Sunday, Amo Racing's Dallas Star (Fr) (Cloth Of Stars {Ire}--Agathe Rare {Ire}, by Sadler's Wells) sprung a 50-1 upset as he dominated the G3 P.W. McGrath Memorial Ballysax S. Taken straight to the front by Seamie Heffernan, who recently announced his freelance status, the Adrian Murray-trained 50,000gns Tatts Book 2 graduate accepted a lead before forging ahead again passing two out. Staying on strongly to the line, the former Dominic ffrench Davis trainee who was last seen finishing a distant third in Newmarket's...