Gore played for many successful teams throughout his career. During his eight seasons with the White Stockings, they won the league title five times, including appearances in two World Series. Chicago played the St. Louis Browns in both 1885, which ended in a series tie, and 1886, with St. Louis winning the championship. He was also a member of the New York Giants' two National League championship teams in 1888 and 1889. Both Giants teams went on to claim World Series victories, against the St. Louis Browns in 1888, and the Brooklyn Bridegrooms in 1889.