Where did the baseball term ducks on the pond come from?

Answer 1

The term ducks on the pond originated from a radio sports announcer for the Washington Senators named Arch McDonald. Among other quotes by Arch was "there it goes Mrs. Murphy" was meant a home run

Answer 2

The term you're most likely asking about is "ducks on the pond," which means runners on base. It's most often used to refer to a situation with the bases loaded.