Across the Board

Refers to betting on a horse to finish first, second, and third to cover any of those scenarios happening during a race

Sloppy

A wet racetrack condition, typically with a firm base and water settling on top.

Also Eligible

A horse that is entered but does not draw into the body of the field due to too many entries, and thus is not permitted to start unless there are enough scratches to shrink the field size.