Frosty Margarita ($8.60) controlled the tempo in the seventh race at Laurel and then edged away in the final furlong to give trainer Rudy Rodriguez the 998th winner of his career.
Jomar Torres rationed out Frosty Margarita's speed nicely in the one-mile, second-level optional claimer.
The win broke a five-race losing streak by Frosty Margarita, who was a close second choice in the six-horse field.