Anthony John DeFrancesco (born April 24, 1963) is an American professional baseball coach. Previously, he was interim manager with the Houston Astros; served one season as third-base coach for the Oakland Athletics; spent six seasons as manager of the Sacramento River Cats; and was a minor league coach and manager for the Oakland Athletics farm system for fourteen years, managing teams in the Arizona Rookie League, Northwest League, California League, Texas League, and Pacific Coast League (PCL). As a player, he was a catcher in the Boston Red Sox and Cincinnati Reds farm systems from 1984 to 1992.