Winless in two starts though he is, Godolphin homebred Sovereignty (Into Mischief) will have his fair share of backers from the outside stall in a field of 10 in Sunday's GIII Street Sense Stakes on opening day of the fall meet at Churchill Downs. A maternal grandson of GSW & GI Breeders' Cup Ladies' Classic runner-up Mushka (Empire Maker), Sovereignty debuted as an 11-1 chance in the Travers Day maiden Aug. 24 won by 'TDN Rising Star' Tip Top Thomas (Volatile). Last of the 10-strong field after the opening quarter-mile,...