Up Her Sleeve (Mastery) benefited from a perfect trip to become the first winner for her well-regarded Claiborne Farm-based sire (by Candy Ride {Arg}) in the Gulfstream opener Saturday afternoon. Sent off at 19-1 off a distant last of four in a rained-off maiden on debut June 30, the bay filly was one of the first away, but came back to Wilmer Garcia to sit third rounding the first turn, as odds-on Royal Rocker (Noble Bird) led them along. Hugging the rail down the backstretch, she was asked for a...