David Alejandro Green Casaya (December 4, 1960 – January 29, 2022) was a Nicaraguan professional baseball player who was an outfielder and first baseman in Major League Baseball (MLB). Between 1981 and 1987, he spent parts of six seasons in the MLB. He was a member of the St. Louis Cardinals for five of those years, and he also spent one season with the San Francisco Giants.